days and times of day

day

day [noun]

a period of 24 hours, especially from twelve o'clock one night to twelve o'clock the next night

US /deɪ/ 
UK /deɪ/ 

روز

مثال: 

He runs five miles every day.

Oxford Essential Dictionary

day

 noun (plural days)

1 a time of 24 hours from midnight to the next midnight:
There are seven days in a week.
I went to Italy for a few days.
'What day is it today?' 'Tuesday.'

word building
The days of the week are: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.

2 the time when it is light outside:
Most people work during the day and sleep at night.

3 a time in the past:
In my grandparents' day, not many people had cars.

one day

1 on a certain day in the past:
One day, a letter arrived.

speaking
We often use one day at the beginning of a story.

2 (also some day) at some time in the future:
I hope to become a doctor one day.
Some day I'll be rich and famous.

the day after tomorrow not tomorrow, but the next day

the day before yesterday not yesterday, but the day before

the other day a few days ago:
I went to London the other day.

these days (informal) used to talk about the present, especially when you are comparing it with the past:
These days kids grow up so quickly.
 same meaning nowadays

Longman Dictionary of Contemporary English

day

day S1 W1 /deɪ/ BrE AmE noun
[Word Family: noun: ↑day, ↑midday; adverb: ↑daily; adjective: ↑daily]
[Language: Old English; Origin: dæg]
1. 24 HOURS [countable] a period of 24 hours:
We spent three days in Paris.
‘What day is it today?’ ‘Friday.’
He left two days ago.
I’ll call you in a couple of days.
on a ... day
We’ll have to hold the party on a different day.
(on) that/the following/the previous day (=during a particular day)
What really happened on that day so long ago?
Over 10,000 soldiers died on that one day in January.
The following day, a letter arrived.
I saw Jane the day before yesterday.
We’re leaving for New York the day after tomorrow.
I got an email from Sue the other day (=a few days ago).
Women generally use up about 2,000 calories a day (=each day).
2. NOT NIGHT [uncountable and countable] the period of time between when it gets light in the morning and when it gets dark OPP night:
She only leaves her house during the day.
It was a cold blustery day.
Kept in that dark cell, I could no longer tell whether it was day or night.
on a ... day
She first met Steve on a cold but sunny day in March.
by day (=during the day)
Owls usually sleep by day and hunt by night.
The day dawned (=started) bright and clear.
3. WHEN YOU ARE AWAKE [countable usually singular] the time during the day when you are awake and active:
His day begins at six.
Jackie starts the day with a few gentle exercises.
Sometimes I feel I just can’t face another day.
It’s been a long day (=used when you have been awake and busy for a long time).
all day (long) (=during the whole time you are awake)
I’ve been studying all day. I’m beat!
► Do not say ‘all the day’. Say all day.
4. TIME AT WORK [countable] the time you spend doing your job during a 24-hour period:
I work a ten-hour day.
Rail workers are campaigning for a shorter working day.
I’ve got a day off (=a day when I do not have to go to work) tomorrow.
5. PAST [countable] used to talk about a time in the past:
I knew him pretty well from his days as a DJ in the Bounty Club (=from when he was a DJ).
I always used to do the cooking in the early days of our marriage.
Not much was known about the dangers of smoking in those days (=then).
They were very much opposed to the government of the day (=that existed then).
One day (=on a day in the past), a mysterious stranger called at the house.
From day one (=from the beginning), I knew I wouldn’t get on with him.
In my day (=in the past, when I was young), kids used to have some respect for their elders.
in sb’s student/army/childhood etc days (=in the past when someone was a student etc)
I used to run six miles a day in my army days.
those were the days spoken (=used to talk about a time in the past you think was better than now)
We used to stay in bed all morning and party all night. Those were the days!
6. NOW [countable] used to talk about the situation that exists now:
I don’t do much exercise these days (=now).
It’s incredible that such attitudes still exist in this day and age (=used to express disapproval that something still exists now).
To this day (=until and including now), he denies any involvement in the crime.
up to/until/to the present day (=until and including now)
This tradition has continued right up until the present day.
7. FUTURE [countable] used to talk about a time in the future
one day/some day (=some time in the future)
I’d like to go and visit the States one day.
Some day we might get him to see sense.
One of these days (=some time soon) I’m going to walk right out of here and never come back.
Kelly’s expecting the baby any day now (=very soon).
The day will come (=the time will come) when he won’t be able to care for himself any more.
8. sb’s/sth’s day a successful period of time in someone’s life or in something’s existence:
My uncle was a famous radio personality in his day (=at the time he was most successful).
Don’t be too disappointed you didn’t win – your day will come (=you will be successful in the future).
Game shows like that have had their day (=were successful in the past, but are not any more).
9. Independence/election/Christmas etc day a day on which a particular event or celebration takes place:
Rioting broke out just three days before polling day.
10. five/three/nine etc years to the day exactly five years etc:
It’s two years to the day since he died.
11. sb’s days someone’s life:
She ended her days in poverty.
12. sb’s/sth’s days are numbered used to say that someone or something will not exist for much longer:
It seems that the hospital’s days are numbered.
13. day after day (also day in day out) continuously for a long time in a way that is annoying or boring:
I couldn’t stand sitting at a desk day after day.
14. from day to day (also from one day to the next) if a situation changes from day to day or from one day to the next, it changes often:
I never know from day to day what I’m going to be doing.
His moods swung wildly from one day to the next. ⇨ ↑day-to-day, ⇨ live from day to day at ↑live1(5)
15. day by day slowly and gradually:
Her health was improving day by day.
16. night and day (also day and night) all the time SYN continuously:
Being together night and day can put a great pressure on any relationship.
17. day out especially British English a trip you make for pleasure on a particular day:
A visit to the caves makes a fascinating and exciting day out for all the family.
18. have an off day to be less successful or happy than usual, for no particular reason:
Even the greatest athletes have their off days.
19. make sb’s day to make someone very happy:
Hearing her voice on the phone really made my day.
20. soup/dish/fish etc of the day a soup, meal etc that a restaurant serves on a particular day in addition to the meals they always offer
21. be all in a day’s work if something difficult, unpleasant, or unusual is all in a day’s work for someone, it is a normal part of their job
22. take each day as it comes (also take it one day at a time) to deal with something as it happens and not worry about the future:
Since I had the accident, I’ve learned to take each day as it comes.
23. the day of reckoning a time when you have to deal with the bad results of something you did in the past
• • •
SPOKEN PHRASES
24. it’s (just) one of those days used to say that everything seems to be going wrong
25. it’s not sb’s day used when several unpleasant things have happened to someone in one day:
It wasn’t Chris’s day – he overslept and then his car broke down.
26. make a day of it British English to spend all day doing something for pleasure:
If the weather’s nice, we’ll make a day of it and take a picnic.
27. make my day used when warning someone that if they try to do something, you will enjoy stopping, defeating, or punishing them etc. This phrase was made popular by Clint Eastwood in the film ‘Dirty Harry’.
28. that’ll be the day used to say that you think something is very unlikely to happen:
‘Bill says he’s going to start going to the gym.’ ‘That’ll be the day!’
29. I/we don’t have all day used to say that you want someone to do something faster because you do not have enough time to wait for them to finish:
Hurry up! I haven’t got all day!
30. it’s not every day (that) used to say that something does not happen often and is therefore very special:
Let’s go out and celebrate. After all, it’s not every day you get a new job.
31. back in the day a long time ago, when you were much younger
32. be on days to work during the day at a job you sometimes have to do at night:
I’m on days this week.
33. 40/50/60 etc if he’s/she’s a day used to emphasize that someone is at least as old as you are saying:
She’s ninety if she’s a day.
at the end of the day at ↑end1(12), ⇨ call it a day at ↑call1(10), ⇨ carry the day at ↑carry1(22), ⇨ the early days at ↑early1(1), ⇨ every dog (has) its day at ↑dog1(11), ⇨ the good old days at ↑old(8), ⇨ ↑half day, ⇨ have a field day at ↑field day(1), ⇨ it’s early days at ↑early1(3), ⇨ it’s (a little) late in the day at ↑late1(8), ⇨ it’s sb’s lucky day at ↑lucky(5), ⇨ (live to) see the day at ↑see1(23), ⇨ name the day at ↑name2(6), ⇨ ↑open day, ⇨ save the day at ↑save1(12), ⇨ ↑speech day, ↑sports day
• • •
COLLOCATIONS (for Meaning 1)
■ ADJECTIVES/NOUN + day
every/each day The museum is open to visitors every day.
the same day Similar student protests took place on the same day in other towns.
the next/the following day (=the day after something happened in the past) The story was in the newspaper the following day.
the previous day (=the day before something happened in the past) I had been to the doctor the previous day.
a big day (=a day when something important is arranged to take place) Just before the big day the team was training 6 days a week.
a holy day Friday is the Muslim holy day.
a historic day (=a day when an event that is historically important happens) This was a historic day for the space program.
a school day (=a day when children go to school) It’s a school day tomorrow, so you need an early night.
election/market etc day (=the day when an election, market etc takes place) Wednesday is market day in Oxford.
Christmas/Easter/Independence etc Day What day of the week is Christmas Day this year?
sb’s wedding day (=the day when someone gets married) She wanted everything to be perfect for her wedding day.
■ phrases
the day before yesterday We arrived in France the day before yesterday.
the day after tomorrow How about meeting for lunch the day after tomorrow?
the other day (=a few days ago) Mark called the other day.
24 hours a day (=during the whole day and night) In Cairo, the streets are busy 24 hours a day.
$15/5 grams/50 etc per day (=used when saying how much someone earns or is paid each day) They get about £45 per day.
• • •
COLLOCATIONS (for Meaning 3)
■ adjectives
a good day (=in which things have happened in the way you want) Have you had a good day at work?
a bad day (=in which things have happened in a way you do not want) I’ve had a really bad day !
a nice/lovely/happy day (=enjoyable) We’ve had a lovely day at the beach.
a beautiful/lovely/glorious day (=with very nice weather) It was a beautiful day yesterday, wasn’t it?
a hard day (=difficult and tiring) Sit down – you look as though you’ve had a hard day.
a long day I got up at 5 this morning so it’s been a long day.
■ verbs
have a good/bad/long etc day Simon looked as if he’d had a bad day at the office.
spend the day doing something I spent the day shopping with my friends.
start the day (=do something at the beginning of a day) You should start the day with a good breakfast.
end the day (=do something at the end of a day) We ended the day at a little restaurant by the beach.
■ phrases
have a nice/good day! spoken (=used when saying goodbye to someone in a friendly way) Bye Sam! Have a good day!

Oxford Advanced Learner's Dictionary

day

day [day days]   [deɪ]    [deɪ]  noun
1. countable a period of 24 hours
I saw Tom three days ago.
‘What day is it today?’ ‘Monday.’
We're going away in a few days/in a few days' time.
They left the day before yesterday (= two days ago).
We're meeting the day after tomorrow (= in two days).
New Year's Day
Take the medicine three times a day.
We can't go there today. You can go another day.

see also  field day, off day, red-letter day, sports day

2. uncountable the time between when it becomes light in the morning and when it becomes dark in the evening
The sun was shining all day.
I could sit and watch the river all day long.
He works at night and sleeps during the day.

• Nocturnal animals sleep by day and hunt by night.

3. countable, usually singular the hours of the day when you are awake, working, etc
a seven-hour working day
It's been a long day (= I've been very busy).
Did you have a good day?
She didn't do a full day's work.
I took a half day off yesterday.
(NAmE) Have a nice day!

see also  workday

4. countable, usually plural a particular period of time or history
in Queen Victoria's day
the early days of computers
Most women stayed at home in those days.
(informal) in the old days (= in the past)
see also  glory days, heyday, nowadays, present day  There are many other compounds ending in day. You will find them at their place in the alphabet.
more at back in the day at  back  adv., back in the days at  back  adv., in all my born days at  born, break of day/dawn at  break  n., call it a day at  call  v., (as) clear as day at  clear  adj., in the cold light of day at  cold  adj., your good deed for the day at  deed, every dog has his/its day at  dog  n., it's early days (yet) at  early  adj., at the end of the day at  end  n., end your days/life at  end  v., the evil hour/day/moment at  evil, from that day/time forth at  forth, give me sth/sb (any day/time) at  give  v., late in the day at  late  adv., live to fight another day at  live1, the livelong day at  livelong, have a nice day! at  nice, a nine days' wonder at  nine, night and dayday and night at  night, the good/bad old days at  old, the order of the day at  order  n., the other day/morning/evening/week at  other  adj., pass the time of day at  pass  v., (as) plain as day at  plain  adj., save, keep, etc. sth for a rainy day at  rainy, Rome wasn't built in a day at  Rome, your salad days at  salad, save the day/situation at  save  v., not give sb the time of day at  time  n.
Idioms: all in a day's work  any day  day after day  day by day  day in, day out  day of reckoning  from day one  from day to day  from one day to the next  have had your day  have seen better days  if he's/she's a day  in somebody's day  in this day and age  it's not somebody's day  make a day of it  make somebody's day  not have all day  of somebody's day  of the day  one day  one of these days  one of those days  some day  somebody's days are numbered  take it one day at a time  that'll be the day  the day  these days  this day  those were the days  win the day  
Word Origin:
Old English dæg, of Germanic origin; related to Dutch dag and German Tag.  
Thesaurus:
day noun U, C
1.
Owls sleep by day and hunt by night.
daytimemorningafternoon
Opp: night, Opp: night-time
in/during the day/daytime/morning/afternoon
all/every/each day/morning/afternoon
spend the day/morning/afternoon doing sth
Day or daytime? Day can either mean a particular completed period, or a period of time that is continuing; daytime never refers to a particular completed period:
during the day/daytime
Did you have a good day?
 ¤ Did you have a good daytime? Daytime is used especially in compounds:
daytime television/temperatures
 ¤ a day televsion/temperatures
2. C, usually pl.
a history of Europe from 1492 to the present day
periodtimeagecenturyera|formal epoch
in/during … day(s)/a period/the time of…/…times/the… century/the age of…/an era/an epoch
(the) present day/period/time/century/era/epoch
(the) medieval/Victorian/post-war, etc. days/period/time/era
Which word? Era, age and epoch are used more often to mean a period in history. Day and time are often used, especially in the plural, to talk about the present
these days
modern times
When day or time means a period in history, it is often used after a person's name
The battle happened in King Alfred's day.
 
Example Bank:
As day dawned I found her already hard at work.
Be sure to start the day with a good breakfast.
Gone are the days when you could do a week's shopping and still have change from £20.
Gone are the days when you could smoke in restaurants.
He thought of her less as the days passed.
He's getting stronger by the day.
How did your day go?
I am entitled to ten paid sick days a year.
I do a 9-hour day
I hope we meet again some day.
I knew I had a full day's driving ahead of me.
I never thought I would see the day when free elections would be held in this country.
I was in your area the other day.
It happened on the very day that Kemp was murdered.
It was the day of the big game.
It's been one of the worst days of my life.
It's been one of those days when everything's gone wrong.
Kids grow up so quickly these days.
Memories of happy days on the hills never fade.
Morale was sinking day by day.
Much has changed since the days of my youth.
On a bad day chaos reigns and nobody can predict when a plane will leave.
On the day of his wedding he was very nervous.
Some players go into management once their playing days are over.
That was in the bad old days of rampant inflation.
The letter arrived the very next day.
The restaurant is closed all day Saturday.
The tabloid press had a field day with the latest government scandal.
They stayed for ten days.
Things were very different in my grandfather's day.
We hope to finish the job in a few days.
We preferred to travel at night and rest by day.
We spent the day gardening.
We went to the beach for the day.
We're open every day except Sunday.
When that day comes, I plan to be far away.
a fine summer's day
a hard day at the office
a study of European drama, from Ibsen to the present day
in his younger days
in the early days of television
the dark days of recession
the government of the day
the heady days of the ‘swinging sixties’
the pattern of the school day
those killed in the hail of bullets fired on that fateful day
Ah, those were the days!
Dickens gives us a vivid picture of poverty in Queen Victoria's day.
He works at night and sleeps during the day.
I could sit and watch the river all day long.
I took half a day off yesterday.
It's been a long day.
Most women stayed at home in those days.
She didn't do a full day's work.
Slavery continues to exist, even in this day and age.
The short winter days prevented them from finishing all the work.
The sun was shining all day.
• There were no supermarkets in the old days when I was a boy.

• What a beautiful day!

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

day / deɪ / noun [ C ]

A1 a period of 24 hours, especially from twelve o'clock one night to twelve o'clock the next night:

January has 31 days.

the days of the week

He runs five miles every day.

It took us almost a day to get here.

I saw him the day before yesterday .

We leave the day after tomorrow .

He was last seen alive five days ago .

They haven't been seen for days (= for several days) .

I'll be seeing Pat in a few days/ in a few days' time .

How's your day been? (= Have you enjoyed today?)

Have a nice day!

I must get some sleep - I've got a big day (= an important day) tomorrow.

A2 used to refer to the period in 24 hours when it is naturally light:

a bright sunny day

It's rained all day today.

These animals sleep during the day and hunt at night.

A2 the time that you usually spend at work or at school:

a normal working day

I work a seven-hour day.

We're having to work a six-day week to cope with demand.

day off a day when you do not have to work, or do something that you normally do:

I won't be in on Thursday; it's my day off.

She's taking three days off next week.

the other day B1 a few days ago:

Didn't I see you in the post office the other day?

these days A2 used to talk about the present time, in comparison with the past:

Vegetarianism is very popular these days.

in those days B2 in the past:

In those days people used to write a lot more letters.

any day now B2 very soon, especially within the next few days:

The baby's due any day now.

by day when it is naturally light:

I prefer travelling by day.

day after day B1 repeatedly, every day:

The same problems keep coming up day after day.

day and night all the time:

You can hear the traffic from your room day and night.

day by day B2 every day, or more and more as each day passes:

Day by day he became weaker.

(from) day to day If something changes (from) day to day, it changes often:

The symptoms of the disease change from day to day.

the days C1 a period in history:

How did people communicate in the days before email?

to this day up to and including the present moment:

To this day nobody knows what happened to him.

Collins COBUILD Advanced Learner’s English Dictionary

day

[de͟ɪ]
 
 days

 1) N-COUNT A day is one of the seven twenty-four hour periods of time in a week.
 2) N-VAR Day is the time when it is light, or the time when you are up and doing things.
  The weather did not help; hot by day, cold at night...
  27 million working days are lost each year due to work accidents and sickness...
  He arranged for me to go down to London one day a week...
  The snack bar is open during the day.
  Ant:
  night
 3) N-COUNT: with supp You can refer to a particular period in history as a particular day or as particular days.
  He began to talk about the Ukraine of his uncle's day...
  Did you learn anything in your day, as a student?
  ...his early days of struggle and deep poverty...
  She is doing just fine these days.
 4) PHRASE If something happens day after day, it happens every day without stopping.
  The newspaper job had me doing the same thing day after day.
 5) PHRASE In this day and age means in modern times.
  Even in this day and age the old attitudes persist.
 6) PHRASE: V inflects If you say that something has seen better days, you mean that it is old and in poor condition.
  The tweed jacket she wore had seen better days.
 7) PHRASE: V inflects If you call it a day, you decide to stop what you are doing because you are tired of it or because it is not successful.
  Faced with mounting debts, the decision to call it a day was inevitable...
  I want the manager's job when he calls it a day.
 8) PHRASE: V inflects If someone carries the day, they are the winner in a contest such as a battle, debate, or sporting competition. [JOURNALISM]
  For the time being, those in favour of the liberalisation measures seem to have carried the day.
 9) PHRASE: V inflects If you say that something has had its day, you mean that the period during which it was most successful or popular has now passed.
  Beat music may finally have had its day...
  Interior decoration by careful co-ordination seems to have had its day.
 10) PHRASE: V inflects If something makes your day, it makes you feel very happy. [INFORMAL]
  Come on, Bill. Send Tom a card and make his day...
  It was a joy to see. It really made my day.
 11) PHRASE If something happens day and night or night and day, it happens all the time without stopping.
  Chantal kept a fire burning night and day...
  He would have a nurse in constant attendance day and night.
 12) PHRASE: PHR with cl One day or some day or one of these days means at some time in the future.
  I too dreamed of living in London one day...
  I hope some day you will find the woman who will make you happy...
  One of these days we will get lucky.
 13) PHRASE: PHR with cl If you say that something happened the other day, you mean that it happened a few days ago.
  I phoned your office the other day...
  We had lunch the other day at our favorite restaurant.
  Syn:
  a few days ago
 14) PHRASE: V inflects If someone or something saves the day in a situation which seems likely to fail, they manage to make it successful.
  ...this story about how he saved the day at his daughter's birthday party...
  A last moment election can save the day.
 15) PHRASE If something happens from day to day or day by day, it happens each day.
  Your needs can differ from day to day...
  I live for the moment, day by day, not for the past.
 16) PHRASE: amount PHR If it is a month or a year to the day since a particular thing happened, it is exactly a month or a year since it happened.
  It was January 19, a year to the day since he had arrived in Singapore...
  Twenty-five years ago, to the day, England reached the sport's pinnacle by winning the World Cup.
 17) PHRASE: PHR with cl To this day means up until and including the present time.
  To this day young Zulu boys practise fighting.
 18) PHRASE: V inflects If a particular person, group, or thing wins the day, they win a battle, struggle, or competition. If they lose the day, they are defeated. [mainly JOURNALISM]
  His determination, his refusal to back down, and possibly his sincerity had won the day...
  Few in Westminster doubt that the government will win the day.
 19) PHRASE: usu v-link PHR, oft PHR for n If you say that a task is all in a day's work for someone, you mean that they do not mind doing it although it may be difficult, because it is part of their job or because they often do it.
  For war reporters, dodging snipers' bullets is all in a day's work...
  I said: `How can I ever thank you?' but he waved the question aside. `It's all in a day's work.'
 20) have your day in courtsee court
 it's early days yetsee early
 at the end of the daysee end
 late in the daysee late
 see the light of daysee light
 someone's days are numberedsee number
 the good old dayssee old
 pass the time of daysee time

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

day

day /ˈdeɪ/ noun, pl days
1 [count] : a period of 24 hours beginning at midnight : one of the seven time periods that make up a week
• We're open seven days a week, 365 days a year.
• Payment is due on the first day of every month.
• “What day is (it) today?” “Tuesday.”
• “What day [=date] is Friday?” “It's the 28th.”
• “What day of the week is the 28th?” “It's a Friday.”
• He spent five days in the hospital.
• She left on Thursday and came back four days later.
• The baby is due (to be born) in three days.
• That was the happiest day of my life.
• Parenthood gets better every day.
• We'll be finished in a day or two. = We'll be finished in a couple of days.
• It rained for a day and a half. [=it rained for about 36 hours]
• The office is closed for the day.
• I call him every (single) day.
• Tomorrow is another day. [=there will be more opportunities to do things tomorrow]
• a day of celebration/mourning [=a day for people to celebrate/mourn]
• Take one pill two times a day. [=each day]
• She works eight hours a day.
• It costs 10 dollars a day to park there.
• The party is the day after tomorrow. = The party is in two days.
• It happened the day before yesterday. = It happened two days ago.
• Sometimes they didn't speak to each other for days on end. [=several days]
From that day forth/forward [=(less formally) from then on], I was determined to do better.
✦If you do not look a day over a particular age, you appear to be that age.
• “Today's my 50th birthday.” “Really? I'm surprised. You don't look a day over 40.” [=you don't look any older than 40 years old]
✦If you say that someone is a particular age if he/she is a day, you mean that the person is that age or older.
• The man she's dating is 60 if he's a day. [=he is at least sixty years old]
2 : the time of light between one night and the next : the part of the day when light from the sun can be seen

[count]

• What a beautiful summer day!
• a cold/wet/rainy day
• The shortest day of the year is usually December 22, and June 22 is usually the longest.

[noncount]

• He sleeps during the day [=daytime] and works at night.
• You can call me any time, day or night.
• These animals are mostly active during the day.
• I work during the day. [=I work days]
• She's a student by day [=during the day] and a waitress by night.
• I woke at (the) break of day. [=(more commonly) dawn, daybreak, sunrise]
day workers [=people who work during the day]
- opposite night
3 : the part of the day when people are usually most active and when most businesses are open

[singular]

• I like to start my day with a cup of coffee. [=I like to drink a cup of coffee as soon as I wake up]
• We decided to rent a car for the day.
• How was your day?
• By the end of the day, we were all exhausted.
• Our neighbors play their loud music at all hours of the day. [=throughout the day]
• Let's go to bed. We have an early day [=we will get out of bed early] tomorrow.
• I needed to relax after a long day at work/school. [=after working/being at school for a long time]
• “Thank you, ma'am. Have a nice day!”

[noncount]

• I'll be gone all day.
• It rained all day long.
✦People sometimes say that they can't wait all day or don't have all day when they are in a hurry and need someone to move or act more quickly. These phrases are usually used in a rude way.
• Hurry up! I can't wait all day! = I don't have all day. = I haven't got all day.
4 [count] : the hours during a day when a person works or goes to school or when a company does business
• I put in four twelve-hour days [=workdays] this week.
• She makes about 50 dollars a/per day.
• He was late for his first day on the job.
• They collected a full day's pay for half a day's work.
• We had a busy couple of days at the store.
• We have a short day tomorrow. [=we have to work fewer hours tomorrow than usual]
• The school committee is pushing for a longer school day.
• Tomorrow's our last day of school (for the school year).
• Please allow 14 business days [=days when most businesses are open; weekdays that are not holidays] for delivery.
✦If something is all in a day's work for someone, it is part of a person's typical work.
• Solving violent crimes is all in a day's work for these police detectives.
✦To take a/the day off is to decide not to work on a particular day.
• He took the day off to go fishing.
5 [count] : the day on which something specified happens or is expected to happen
• It rained on their wedding day.
• the day of his birth
• This Sunday is family day [=a day for families especially with young children] at the amusement park.
• If you've been waiting for the perfect skiing conditions, today's the day. [=the conditions are perfect today]
• So, when's the big day? When are you getting married?
• Did you ever think you'd see the day when he would apologize? [=did you believe he would ever apologize?]
• I never thought I would live to see the day when you would graduate from college. [=I did not think I would live long enough to see you graduate]
• Let her have her day in court [=let her defend herself in a court of law] before you pass judgment on her.
• This is your lucky day. [=a day when something good happens to you]
✦If a day is your day, something good will happen to you on that day.
• You never know. Maybe today will be my day. [=maybe I will succeed, win, etc., today]
• I'm sorry you lost. I guess it just wasn't your day.
✦People sometimes use the phrase that'll be the day to say that they think something will not happen.
• “Do you think he'll ever admit he made a mistake?” “That'll be the day!”
6 [count] : a particular period of time
• She was the most talented actress of her day. [=during the time when she lived and worked as an actress]
In my day [=when I was young], boys asked girls out on dates, not the other way around.
• Life was simpler in my grandmother's day, but it wasn't easier.
• We sell books dating from 1875 to the present day. [=today]
- often plural
• He often spoke about his days as a soldier.
• I was quite an athlete in my younger days. [=when I was young]
• The practice dates back to the days of ancient Rome.
• the olden days
• my college days [=when I was in college]
• the days of stagecoaches [=when stagecoaches were used]
• In those days many factory workers were children.
✦The saying those were the days is sometimes used to say that a period of time in the past was pleasant and often better than the present time.
• When I was a kid, we spent our summers at the beach. Those were the days!
• In the 1960s, everything seemed possible. Those were the good old days.
(all) the livelong day
- see livelong
any day now : within the next few days : soon
• We're expecting a phone call from him any day now. [=in the near future]
Any day now, the decision could be made.
at the end of the day
- see 1end
call it a day
- see 1call
carry/win the day : to win or be successful
• The “no” vote carried the day. [=prevailed]
• We believe that truth and justice will carry/win the day.
day after day : for several days without stopping or changing
• She wore the same pants day after day.
Day after day, we hear the same complaints from our customers.
day and night or night and day
1 : all the time : without stopping
• We've been working on it day and night. = We've been working on it night and day.
2 : complete or total
• The difference between them is day and night. = The difference between them is night and day. [=they are completely different]
day by day : in small amounts every day
Day by day, the situation is becoming more complex.
• She felt herself growing stronger day by day. [=every day]
✦If you take it/things day by day, you make progress in a slow and careful way by dealing with each day as it comes.
• He hopes to make a full recovery after his surgery, but right now he's just taking it day by day. [=taking it one day at a time, taking each day as it comes]
• I don't know if our relationship is going to work out. I'm taking things day by day at this point.
day in, day out or day in and day out : every day for many days : for a long time without stopping or changing
• She does the same thing at her job day in, day out.
• It can be difficult to spend all of your time with one person day in and day out.
days are numbered
- see 2number
early days (yet)
- see 2early
every dog has its day
- see 1dog
for a rainy day
- see rainy
from day to day : every day
• His opinions seem to change from day to day. [=from one day to the next]
- see also day-to-day
from one day to the next : every day
• She changes her mind from one day to the next. [=from day to day] : as one day becomes another day
• You never know from one day to the next what's going to happen to you.
give (someone) the time of day chiefly US informal : to pay attention to someone - usually used in negative statements
• No one would give us the time of day.
• I needed their help, but they wouldn't give me the time of day.
glory days
- see 1glory
have seen/known better days
- see 1better
in all your born days
- see born
in the cold light of day
- see 1cold
in this day and age : at the present time in history
• Computers are essential to getting work done in this day and age. [=nowadays]
• It's unbelievable that in this day and age people are still dying from hunger.
it is not every day
- used to say that something happens very rarely
It's not every day that I get to meet the President.
• Go ahead and spend the extra money. It's not every day that you get married.
late in the day
- see 1late
make someone's day : to cause someone's day to be pleasant or happy
• Thanks for the compliment. You've really made my day!
• It made my day to see his smiling face.
of the day
1 : served in a restaurant as a special item on a particular day
• What's the fish/vegetable of the day?
• Our soup of the day [=du jour] is vegetable beef.
2 : of a particular period of time
• What were some of the popular movies of the day? [=that were popular during that time]
• the important issues of the day
one day
1 : at some time in the future
One day, it'll happen. You'll see.
• People may one day [=someday] be able to take vacations to the moon.
2 : on a day in the past
• I went to her house one day and had lunch with her.
One day, we had a terrible argument.
on the day Brit : on the day that an event happens
• I know we seem a bit disorganized now, but we'll be all right on the day.
• Whether we win or not depends on which players are healthy on the day.
save the day
- see 1save
see the light of day
- see 1light
some day : at some time in the future : someday
Some day I may be rich enough to own two houses.
• I'd like to return there some day.
take each day as it comes or take one day at a time or take it/things one day at a time : to deal with each day's problems as they come instead of worrying about the future
• There's no way to know what the future will bring, so just take each day as it comes and hope for the best.
Take one day at a time and don't expect things to change overnight.
• It's important to take things one day at a time so you don't feel too overwhelmed.
the other day
- see 1other
these days : at the present time
• It seems that everyone has a cell phone these days. [=nowadays]
• What kind of music are you listening to these days?
These days, she has a very busy social life.
✦The phrase one of these days means at some time in the future.
One of these days, [=one day] I'm going to buy myself a boat.
those days : a period of time in the past
• Remember when we were kids and life was easy? Well, those days are gone.
In those days, women weren't allowed to own property.
• No one knew in those days what caused the disease.
✦If it is (just) one of those days, it is a day in which many bad or unpleasant things happen.
• It's just one of those days when everything seems to go wrong.
• I missed the bus and sprained my ankle; it was one of those days when nothing was going right.
to the day : to exactly a specified number of years
• It's been 100 years to the day since their great discovery.
• Soon after their wedding, almost a year to the day, they got divorced.
to this day : up to now : continuing until today
To this day, I still don't know what happened.
• The belief persists to this day.

night

night [noun] (DARK PERIOD)

The part of every 24-hour period when it is dark because there is very little light from the sun

US /naɪt/ 
UK /naɪt/ 

شب

مثال: 

These animals only come out at night.

این حیوانات فقط شبها بیرون می آیند.

Oxford Essential Dictionary

night

 noun

1 the part of the day when it is dark and most people sleep:
These animals come out at night.
The baby cried all night.
She stayed at my house last night.

2 the part of the day between the afternoon and when you go to bed:
We went to a party on Saturday night.
He doesn't get home until 8 o'clock at night.
Tonight means the night or evening of today.

Longman Dictionary of Contemporary English

night

night S1 W1 /naɪt/ BrE AmE noun [uncountable and countable]
[Word Family: noun: ↑night, ↑midnight, ↑nightie; adverb: ↑overnight, ↑nightly; adjective: ↑nightly, ↑overnight]
[Language: Old English; Origin: niht]
1. WHEN IT IS DARK the dark part of each 24-hour period when the sun cannot be seen and when most people sleep OPP day:
It was a cold moonlit night.
I didn’t sleep too well last night.
at night
At night the temperature drops below zero.
in/during the night
He woke up twice during the night.
by night
Many animals hunt by night.
(on) Friday night/that night etc
There was a storm on Friday night.
GRAMMAR
Use at night when talking about what generally or regularly happens then:
▪ The noise of the traffic keeps me awake at night.
Use in the night when talking about an event that happens at some time during the night:
▪ There had been heavy rain in the night.
Use by night to say what a person or animal does at night:
▪ We travelled by night.
When you are mentioning a time before midnight, use at night:
▪ ten o'clock at night
When you are mentioning a time after midnight, use in the morning:
▪ four in the morning
2. EVENING the time during the evening until you go to bed:
We had a really good meal last night.
They stay in and watch television every night.
She recognised him from the night before (=the previous evening).
My parents are coming for dinner tomorrow night.
Friday/Saturday etc night
There’s a party at Ben’s place on Saturday night.
We were on our way back from a night out (=an evening when you go to a party, restaurant, theatre etc) at the theatre.
Anna doesn’t like him walking home late at night.
quiz night/student night etc (=an evening when a particular event happens, especially at a bar, club etc)
3. nights if you do something nights, you do it regularly or often at night:
I work nights, so I’m usually asleep during the day.
4. night! spoken used to say goodbye to someone when it is late in the evening or when they are going to bed SYN good night:
Night! See you tomorrow!
5. night night! spoken used to say goodbye to someone, especially a child, when they are going to bed
6. night and day/day and night all the time:
The store is guarded day and night.
We had to work night and day to get it finished.
7. night or day/day or night at any time:
You can call me any time, night or day.
8. night after night every night for a long period:
He’s out drinking night after night.
9. first night/opening night the first performance of a play or show ⇨ premiere:
We saw ‘Riverdance’ on its opening night.
10. spend the night with somebody/spend the night together to sleep with someone and have sex with them:
And you thought we spent the night together?
11. a good night’s sleep a night when you sleep well:
You’ll feel better after a good night’s sleep.
12. (have a) late/early night to go to bed later or earlier than usual:
I think I’ll have an early night. ⇨ ↑late-night
13. last thing at night at the end of the day, just before you go to bed:
You should water plants either first thing in the morning or last thing at night.
⇨ ↑nightly
• • •
COLLOCATIONS
■ ADJECTIVES/NOUN + night
last night It rained last night.
tomorrow night I should be back by tomorrow night.
Friday/Saturday etc night I haven't seen him since Thursday night.
an early night (=when you go to bed early) I'm really tired - I need an early night.
a late night (=when you go to bed late) We had a late night last night.
a long night (=a night when you do not sleep or you work hard) Everyone was tired and grumpy. It had been a long night.
a sleepless night She had spent a sleepless night wondering what to do.
■ verbs
spend a night somewhere (=sleep somewhere) We spent two nights at the Grand Hotel.
stay the night (=sleep at someone's house) You're welcome to stay the night if you like.
have a bad night (=not sleep well, especially when you are ill) I had a bad night last night.
night falls written (=it starts to become dark) It grew colder as night fell.
the night wears on (=continues) The pain gradually got better as the night wore on.
■ night + NOUN
the night sky We looked up at the stars in the night sky.
the night air The night air was scented with pine wood.
a night train/bus/flight I took the night train to Fort William.
■ phrases
all night He looked as if he'd been up all night.
all night long (=used to emphasize that something continues for the whole night) The noise continued all night long!
late at night We often get to bed very late at night.
at this time of night (=used when something happens very late at night, and you are surprised) Why are you calling me at this time of night?
late/far into the night (=until very late at night) Staff worked late into the night to make necessary repairs.
in the middle of the night She woke up suddenly in the middle of the night.
in/at the dead of night literary (=in the middle of the night when it is quiet) He drove through the countryside in the dead of night.
day and night/night and day (=all the time) The phones rang day and night.
morning, noon, and night (=all the time) She nagged at him morning, noon, and night.

Oxford Advanced Learner's Dictionary

night

night [night nights]   [naɪt]    [naɪt]  noun uncountable, countable
1. the time between one day and the next when it is dark, when people usually sleep
These animals only come out at night.
They sleep by day and hunt by night.
The accident happened on Friday night.
on the night of 10 January/January 10
Did you hear the storm last night?
I lay awake all night.
Where did you spend the night?
You're welcome to stay the night here.
What is he doing calling at this time of night?
You'll feel better after you've had a good night's sleep.
The trip was for ten nights.
The hotel costs €65 per person per night.
the night train/boat/flight

Night fell (= it became dark).

2. the evening until you go to bed
Let's go out on Saturday night.
Bill's parents came for dinner last night.
She doesn't like to walk home late at night.
I saw her in town the other night (= a few nights ago).
I'm working late tomorrow night.

see also  goodnight

3. an evening when a special event happens
the first/opening night (= of a play, film/movie, etc.)
a karaoke night
an Irish/a Scottish, etc. night (= with Irish/Scottish music, entertainment, etc.)
see also  stag night 
more at it'll be all right on the night at  all right  adj., dance the night away at  dance  v., in the/at dead of night at  dead  n., morning, noon and night at  morning, spend the night togetherspend the night with sb at  spend  v., the still of the night at  still  n., things that go bump in the night at  thing
Idioms: day and night  have a bad night  have a night on the tiles  have an a late night  night and day  night night  night out
Derived Word: nights  
Word Origin:
Old English neaht, niht, of Germanic origin; related to Dutch nacht and German Nacht, from an Indo-European root shared by Latin nox and Greek nux.  
Thesaurus:
night noun
1. U, C
Where did you spend the night?
night-timethe middle of the nightmidnightthe early hours|informal the small hours
Opp: day
in the night/night-time/middle of the night/early hours/small hours
at night/night-time/midnight
(well) into the night/early hours/small hours
Night, night-time or the middle of the night? A night can be seen as either a completed or a continuing period of time; night-time is seen as a continuing, not a completed period; the middle of the night is a point in time during the night:
I lay awake all night.
during the night/night-time
 ¤ during the middle of the night
2. U, C
She came round for dinner last night.
eveningdusktwilightsunset|especially AmE, especially written sundown|literary nightfall
Opp: morning
at night/dusk/twilight/sunset/sundown/nightfall
tomorrow/yesterday/Monday night/evening
night/evening/dusk falls
Night or evening? Evening emphasizes the earlier hours, from about 6 pm onwards; night emphasizes the later part of the evening and can include the early hours of the next day
We were up late last night and didn't get to bed till 2 am.
Night can also mean the whole time till it gets light
I'm going to my sister's for the evening (= and coming back later in the evening).
I'm going to my sister's for the night (= and not coming back until the morning).
 
Example Bank:
Ask your Mum if you can stay the night.
Fancy a night out?
He had plans to spend a quiet night at home.
He spent another lonely night in front of the television.
I lie awake at night worrying.
I saw her the other night.
I think I'll have an early night.
I was getting myself ready for a night out.
I woke in the night.
One fateful night he was involved in an accident that changed his life forever.
Paris by night
She doesn't like to walk home late at night.
She kissed him good night.
The hotel costs €265 per person per night.
The night fell quickly.
They decided to make a night of it and went on to a club.
They spent the night in Bristol.
a drunken night of partying
the last night of the play's run
Did you hear the storm last night?
I lay awake all night.
I'm taking the night train.
I'm working late tomorrow night.
My mother-in-law came for dinner last night.
Some nights he comes home late.
These animals only come out at night.
They sleep by day and hunt by night.
What is he doing calling at this time of night?
Where did you spend the night?
Where were you on the night of 10 January?
You'll feel better after a good night's sleep.
You're welcome to stay the night here.
 
Example Bank:

• She works nights.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

night / naɪt / noun [ C or U ] (DARK PERIOD)

A1 the part of every 24-hour period when it is dark because there is very little light from the sun:

It gets cold at night.

I slept really badly last night.

I spent the night at Ted's.

He took the night ferry/train.

 

night / naɪt / noun (EVENING)

A1 [ C or U ] the period of time between the late afternoon and going to bed; the evening:

Shall we go dancing on Saturday night?

We've been out every night this week.

She's a singer in a bar by night and a secretary by day.

[ S ] the evening on which a special event happens:

When's the last night of your show?

The first/opening night of her new film was a great success.

night-night child's expression

used as another way of saying good night, usually by or to children

the other night on one evening recently:

I saw Naomi at the club the other night.

a night out an evening spent at a restaurant, theatre, etc. rather than staying at home:

Let's have a night out together on Saturday - we could go dancing.

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

night

/naɪt/
(nights)

Frequency: The word is one of the 700 most common words in English.

1.
The night is the part of each day when the sun has set and it is dark outside, especially the time when people are sleeping.
He didn’t sleep a wink all night...
The fighting began in the late afternoon and continued all night...
Our reporter spent the night crossing the border from Austria into Slovenia...
Finally night fell.
N-VAR

2.
The night is the period of time between the end of the afternoon and the time that you go to bed, especially the time when you relax before going to bed.
So whose party was it last night?...
Demiris took Catherine to dinner the following night.
N-COUNT

3.
A particular night is a particular evening when a special event takes place, such as a show or a play.
The first night crowd packed the building.
...election night.
N-COUNT: supp N

4.
If it is a particular time at night, it is during the time when it is dark and is before midnight.
It’s eleven o’clock at night in Moscow...
He works obsessively from 7.15 am to 9 or 10 at night.
PHRASE: num PHR

5.
If something happens at night, it happens regularly during the evening or night.
He was going to college at night, in order to become an accountant...
The veranda was equipped with heavy wooden rain doors that were kept closed at night.
PHRASE: PHR after v

6.
If something happens day and night or night and day, it happens all the time without stopping.
Dozens of doctors and nurses have been working day and night for weeks...
He was at my door night and day, demanding my attention.
PHRASE: usu PHR after v

7.
If you have an early night, you go to bed early. If you have a late night, you go to bed late.
I’ve had a hell of a day, and all I want is an early night...
In spite of the travelling and the late night, she did not feel tired.
PHRASE: N inflects

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

1night /ˈnaɪt/ noun, pl nights
1 : the time of darkness between one day and the next : the part of the day when no light from the sun can be seen and most people and animals sleep

[noncount]

• Who are you calling at this time of night?
• It's eleven o'clock at night.
• She and her husband both work at night and sleep during the day.
• The store's open all night.
• They were up all night long playing video games.
• People keep coming back night after night. [=every night for a period of time]

[count]

• Let's stop for the night and get a hotel.
• a cold, rainy night in the city
• Where were you (on) the night of June 20th?
• The room costs $100 a/per night. = The room costs $100 for one night.
• I stayed up late five nights in a row.
• We were woken up in the middle of the night by a loud crash. = (less commonly) We were woken up in the dead of night by a loud crash.
• Did you have a good night's sleep? [=did you sleep well during the night?]
Last night, I had the strangest dream.
• I had a late night [=I stayed up very late] last night.
• Let's call it an early night. = Let's make an early night of it. [=let's go home or go to bed early tonight]
• Let's call it a night. [=let's go home or go to bed now]
• She'll have to spend/stay the night in the hospital. [=she will have to sleep overnight in the hospital]
• He spent many sleepless nights worrying about his children. [=he lay awake at night worrying about his children]
Spend six nights and seven days on a tropical island in the Caribbean!
• He spent the night with [=had sex with and slept with] her.
• They decided to spend the night together. [=they decided to have sex and sleep together]
2 [noncount] : the darkness that occurs during the nighttime
• They walked out into the night.
• Her eyes were as black/dark as (the) night.
• animals that hunt by night [=in darkness]
• When night fell [=when the sky became dark for the night; at nightfall], we walked back to our car.
3 [count] : the final part of the day that is usually after work, school, etc., and before you go to bed : the early part of the night : evening
• They go bowling every Tuesday night.
• Friday nights, we play cards with the neighbors.
• What did you have for dinner last night?
• He planned a night of dinner and dancing.
• We've planned a night out. [=an evening that you spend outside of your home doing something fun]
4 [count]
a : an evening or night that has a special event
• Poetry night [=the night when people read poetry aloud] at the café is every Saturday at eight o'clock.
• Wednesday night is our family night. [=the night that our family does things together]
• Tuesday night is ladies' night at the ballpark/bar. [=on Tuesday evening, women get a special benefit at the ballpark/bar, such as paying only half price for something]
• Tomorrow is the play's opening night. [=the play will be performed in front of an audience for the first time tomorrow night]
b : the part of a special day that occurs during the nighttime
• Christmas night
• They spent their wedding night in a hotel.
- compare eve 2
day and night or night and day
- see day
night night or nighty night
- used by a child or when speaking to a child as a way of saying “good night”
• “Night night, dear.” “Nighty night, Mommy.”
the still of the night

midnight

midnight [noun]

12 o'clock at night

US /ˈmɪd.naɪt/ 
UK /ˈmɪd.naɪt/ 

نيمه‌ شب‌، نصف‌ شب‌، ساعت‌ 2‏1‏ شب‌

مثال: 

Two hours after midnight

دو ساعت‌ بعد از نيمه‌ شب

 

12 o'clock at night

معادل فارسی: 

نيمه‌ شب‌، نصف‌ شب‌، ساعت‌ 2‏1‏ شب‌

مثال انگلیسی: 

Two hours after midnight

دو ساعت‌ بعد از نيمه‌ شب

Oxford Essential Dictionary

midnight

 noun (no plural)
twelve o'clock at night:
We left the party at midnight.
Look at midday.

Longman Dictionary of Contemporary English

midnight

midnight S3 /ˈmɪdnaɪt/ BrE AmE noun [uncountable]
[Word Family: noun: ↑night, ↑midnight, ↑nightie; adverb: ↑overnight, ↑nightly; adjective: ↑nightly, ↑overnight]
12 o'clock at night ⇨ midday
at midnight
The train is due in at midnight.
after/before midnight
We stayed there until way after midnight.
You can’t phone her now – it’s gone midnight (=after midnight)!
By the time he arrived, it was well past midnight (=after midnight).
at/on the stroke of midnight (=at exactly midnight)
The treaty will come into force on the stroke of midnight tonight.
He’s gone for a midnight swim.
► Do not say ‘in the midnight’. If you mean ‘at 12 o’clock at night' say at midnight and if you mean ‘very late at night’ say in the middle of the night.

Oxford Advanced Learner's Dictionary

midnight

mid·night [midnight midnights]   [ˈmɪdnaɪt]    [ˈmɪdnaɪt]  noun uncountable
1. 12 o'clock at night
They had to leave at midnight.
on the stroke of midnight/shortly after midnight
She heard the clock strike midnight.
Let's have a midnight feast tonight (= a secret meal that children like to have in the middle of the night).

• We have to catch the midnight train.

2. (especially NAmE) =  midnight blue
see burn the midnight oil at  burn  v., do a moonlight/midnight flit at  flit  n.  
Word Origin:
Old English midniht (see mid-, night).  
Example Bank:
Downstairs in the hall, midnight struck.
It was approaching midnight when I finally reached home.
On the stroke of midnight, Prince Charming turned back into a rat.
The church clock struck midnight.
the land of the midnight sun
The law comes into effect on the stroke of midnight tomorrow.
• The ship set sail shortly after midnight.

• They had to leave at midnight.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

midnight / ˈmɪd.naɪt / noun [ U ]

A2 twelve o'clock in the middle of the night:

There's a great film on TV at midnight.

It was after midnight when we got home.

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

midnight

/mɪdnaɪt/

Frequency: The word is one of the 3000 most common words in English.

1.
Midnight is twelve o’clock in the middle of the night.
It was well after midnight by the time Anne returned to her apartment...
N-UNCOUNT: usu prep N

2.
Midnight is used to describe something which happens or appears at midnight or in the middle of the night.
It is totally out of the question to postpone the midnight deadline...
ADJ: ADJ n

3.
If someone is burning the midnight oil, they are staying up very late in order to study or do some other work.
Chris is asleep after burning the midnight oil trying to finish his article.
PHRASE: V inflects

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

midnight

 

mid·night /ˈmɪdˌnaɪt/ noun [noncount] : the middle of the night : 12 o'clock at night
• Her parents wanted her home before midnight.
• The clock struck midnight.
• It was 12 midnight when we arrived home.
- often used before another noun
• a midnight snack
• at the midnight hour [=at midnight]
burn the midnight oil

noon

noon [noun]

12 o'clock in the daytime SYN midday

US /nuːn/ 
UK /nuːn/ 
noon - ظهر

نيمروز، ظهر، ساعت‌ دوازده‌ در روز

مثال: 

Take one pill at noon and one at night

يك‌ قرص‌ ظهر و يك‌ قرص‌ شب‌ بخوريد.

12 o'clock in the daytime SYN midday

noon - ظهر
معادل فارسی: 

نيمروز، ظهر، ساعت‌ دوازده‌ در روز

مثال انگلیسی: 

Take one pill at noon and one at night

يك‌ قرص‌ ظهر و يك‌ قرص‌ شب‌ بخوريد.‏

Oxford Essential Dictionary

noon

 noun (no plural)
twelve o'clock in the middle of the day same meaning midday:
I met him at noon.

 

Longman Dictionary of Contemporary English

noon

noon /nuːn/ BrE AmE noun [uncountable]
[Language: Old English; Origin: non 'ninth hour from sunrise', from Latin nonus 'ninth']
12 o'clock in the daytime SYN midday
at/before/by noon
We left home at noon.
He rarely gets up before noon.
We met at 12 noon.

Oxford Advanced Learner's Dictionary

noon

noon [noon noons]   [nuːn]    [nuːn]  noun uncountable
12 o'clock in the middle of the day
Syn:  midday
We should be there by noon.
The conference opens at 12 noon on Saturday.
the noon deadline for the end of hostilities
I'm leaving on the noon train.
the glaring light of high noon
see morning, noon and night at  morning  
Word Origin:
Old English nōn ‘the ninth hour from sunrise, i.e. approximately 3 p.m.’, from Latin nona (hora) ‘ninth hour’.  
Example Bank:
the glaring light of high noon
I'm leaving on the noon train.

We arrived at high noon.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

noon / nuːn / noun [ U ]

A2 twelve o'clock in the middle of the day, or about that time:

We used to ski before noon then take a long lunch.

By noon, we had had ten phone calls.

© Cambridge University Press 2013

Collins COBUILD Advanced Learner’s English Dictionary

noon

/nu:n/

1.
Noon is twelve o’clock in the middle of the day.
The long day of meetings started at noon...
Our branches are open from 9am to 5pm during the week and until 12 noon on Saturdays.
= midday
N-UNCOUNT: oft prep N
see also high noon

2.
Noon means happening or appearing in the middle part of the day.
The noon sun was fierce...
He expected the transfer to go through by today’s noon deadline.
= midday
ADJ: ADJ n

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

noon

 

noon /ˈnuːn/ noun [noncount] : the middle of the day : 12 o'clock in the daytime
• Meet me at/around noon.
• half past noon
• The party will take place from noon to 4 p.m.
• He showed up at precisely 12 noon.
- often used before another noun
• the noon meal/hour
• the hot noon sun

morning, noon, and night
 

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