number

twenty

twenty [number]

The number 20

US /ˈtwen.t̬i/ 
UK /ˈtwen.ti/ 
Example: 

Space for twenty people

Oxford Essential Dictionary

twenty

 number

1 20

2 the twenties (plural) the numbers, years or temperatures between 20 and 29

in your twenties between the ages of 20 and 29

Longman Dictionary of Contemporary English

twenty

twenty /ˈtwenti/ BrE AmE number, noun
[Language: Old English; Origin: twentig]
1. the number 20:
a small village twenty miles from Nairobi
I’m nearly twenty (=20 years old).
2. the twenties [plural] (also the 20s, the 1920s) the years from 1920 to 1929:
In the twenties the business expanded.
the early/mid/late twenties
The photograph was taken in the late twenties.
3. be in your twenties to be aged between 20 and 29
early/mid/late twenties
She was in her early twenties when I met her.
4. in the twenties if the temperature is in the twenties, it is between 20 degrees and 29 degrees
in the low/mid/high twenties
a warm day, with temperatures in the low twenties
5. [countable] a piece of paper money that is worth £20 or $20:
I offered the driver a twenty.
—twentieth adjective, pronoun:
in the twentieth century
her twentieth birthday
I’m planning to leave on the twentieth (=the 20th day of the month).

Oxford Advanced Learner's Dictionary

twenty

twenty [twenty twenties]   [ˈtwenti]  ;   [ˈtwenti] 

1. number 20

2. noun the twenties plural numbers, years or temperatures from 20 to 29
Idiom: in your twenties

Derived Word: twentieth

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

twenty / ˈtwen.ti /   / -t̬i / number

A1 the number 20:

nineteen, twenty, twenty-one

space for twenty people

→  See also score noun (TWENTY)

Collins COBUILD Advanced Learner’s English Dictionary

twenty

[twe̱nti]
 
 twenties

 1) NUM Twenty is the number 20.
 2) N-PLURAL When you talk about the twenties, you are referring to numbers between 20 and 29. For example, if you are in your twenties, you are aged between 20 and 29. If the temperature is in the twenties, the temperature is between 20 and 29 degrees.
  They're both in their twenties and both married with children of their own.
 3) N-PLURAL: the N The twenties is the decade between 1920 and 1929.
  It was written in the Twenties, but it still really stands out.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

twenty

twen·ty /ˈtwɛnti/ noun, pl -ties
1 [count] : the number 20
2 [count] : the 20th in a set or series
• item/question twenty
3 twenties [plural]
a : the numbers ranging from 20 to 29
• Tomorrow the temperature will be in the low twenties.
b : a set of years ending in digits ranging from 20 to 29
• She's in her twenties.
• the gangsters of the twenties [=of the 1920s]
4 [count]
a US : a twenty-dollar bill
• All I have is a twenty.
b Brit : a twenty-pound note
- twen·ti·eth /ˈtwɛntijəɵ/ noun, pl -eths [count]
• What are you doing on the twentieth? [=the twentieth day of the month]
• a twentieth of the population
- twentieth adj
• their twentieth anniversary
- twenty adj
• It was a twenty-hour flight.
twenty days later
- twenty pronoun
• Only twenty showed up for the review session.
• We spent forty dollars and had twenty left.

 

nineteen

nineteen [number]

The number 19

US /ˌnaɪnˈtiːn/ 
UK /ˌnaɪnˈtiːn/ 
Example: 

Simson, aged nineteen, was convicted on two charges of burglary.

Oxford Essential Dictionary

nineteen

 number
19

>> nineteenth pronoun, adjective, adverb 19th

Longman Dictionary of Contemporary English

nineteen

nineteen /ˌnaɪnˈtiːn◂/ BrE AmE number
[Language: Old English; Origin: nigontiene, from nigon 'nine' + tien 'ten']
1. the number 19:
It was nineteen minutes past seven.
I was only nineteen (=19 years old).
2. nineteen to the dozen if you talk nineteen to the dozen, you talk very quickly and without stopping
—nineteenth adjective, pronoun:
in the nineteenth century
her nineteenth birthday
I’m planning to leave on the nineteenth (=the 19th day of the month).

Oxford Advanced Learner's Dictionary

nineteen

nine·teen [nineteen nineteens]   [ˌnaɪnˈtiːn]    [ˌnaɪnˈtiːn]  number
19
Idiom: talk nineteen to the dozen
Derived Word: nineteenth  
Word Origin:

Old English nigontȳne.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

nineteen / ˌnaɪnˈtiːn / number

A1 the number 19:

Simson, aged nineteen, was convicted on two charges of burglary.

It's nineteen miles to the nearest town.

Collins COBUILD Advanced Learner’s English Dictionary

nineteen

[na͟ɪnti͟ːn]
 
 NUM

 Nineteen is the number 19.
  They have nineteen days to make up their minds.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

nineteen

nine·teen /naɪnˈtiːn/ noun, pl -teens [count] : the number 19
- nineteen adj
nineteen hours
- nineteen pronoun
• She bought nineteen (of them).
- nine·teenth /naɪnˈtiːnɵ/ noun, pl -teenths [count]
• The book is due back on the nineteenth (of the month).
• one nineteenth of the total cost
- nineteenth adj
• He was the country's nineteenth president.
• I was the nineteenth person to cross the finish line.
• (humorous) the nineteenth hole [=the bar at a golf course where players drink after playing a round of 18 holes of golf]
- nineteenth adv
• She finished nineteenth in the race.
• the country's nineteenth largest state

eighteen

eighteen [number]

The number 18

US /ˌeɪˈtiːn/ 
UK /ˌeɪˈtiːn/ 
Example: 

The table was set for eighteen people.

Oxford Essential Dictionary

eighteen

 number
18

>> eighteenth pronoun, adjective, adverb 18th:
He met Emma just before his eighteenth birthday.

Longman Dictionary of Contemporary English

eighteen

eighteen /ˌeɪˈtiːn◂/ BrE AmE number
[Language: Old English; Origin: eahtatiene, from eahta 'eight' + tien 'ten']
the number 18:
At least eighteen bullets were fired.
Jim was eighteen (=18 years old).
—eighteenth adjective, pronoun:
in the eighteenth century
her eighteenth birthday
I’m planning to leave on the eighteenth (=the 18th day of the month).
 

Oxford Advanced Learner's Dictionary

eighteen

eight·een [eighteen eighteens]   [ˌeɪˈtiːn]    [ˌeɪˈtiːn]  number
18
Derived Word: eighteenth  
Word Origin:

Old English e(a)htatēne (from eight  and -teen).

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

eighteen / ˌeɪˈtiːn / number

A1 the number 18:

You are allowed to vote at eighteen (= when you are 18 years old)

The table was set for eighteen people.

Collins COBUILD Advanced Learner’s English Dictionary

eighteen

[e͟ɪti͟ːn]
 
 NUM

 Eighteen is the number 18.
  He was employed by them for eighteen years.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

eighteen

eigh·teen /ˌeɪtˈtiːn/ noun, pl -teens [count] : the number 18
- eighteen adj
eighteen years
- eighteen pronoun
Eighteen (of them) were present.
- eigh·teenth /ˌeɪtˈtiːnɵ/ noun, pl -teenths [count]
• one eighteenth of the total
- eighteenth adj
• the eighteenth day
- eighteenth adv
• He finished eighteenth in the race.

seventeen

seventeen [number]

The number 17

US /ˌsev.ənˈtiːn/ 
UK /ˌsev.ənˈtiːn/ 
Example: 

I'm nearly seventeen so I should be able to do what I want.

Longman Dictionary of Contemporary English

seventeen

seventeen /ˌsevənˈtiːn◂/ BrE AmE number
[Language: Old English; Origin: seofontiene, from seofon 'seven' + tien 'ten']
the number 17:
a group of seventeen American military officers
I left home when I was seventeen (=17 years old).
—seventeenth adjective, pronoun:
in the seventeenth century
her seventeenth birthday
I’m planning to leave on the seventeenth (=the 17th day of the month).
 

Oxford Advanced Learner's Dictionary

seventeen

seven·teen [seventeen seventeens]   [ˌsevnˈtiːn]    [ˌsevnˈtiːn]  number
17
Derived Word: seventeenth  
Word Origin:

Old English seofontīene, from the Germanic base of seven.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

seventeen / ˌsev. ə nˈtiːn / number

A1 the number 17:

I'm nearly seventeen so I should be able to do what I want.

They've been married for seventeen years.

Collins COBUILD Advanced Learner’s English Dictionary

seventeen

[se̱v(ə)nti͟ːn]
 seventeens
 NUM

 Seventeen is the number 17.
  Jenny is seventeen years old.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

seventeen

sev·en·teen /ˌsɛvənˈtiːn/ noun, pl -teens [count] : the number 17
- seventeen adj
• They lived together for seventeen years.
- seventeen pronoun
• We interviewed seventeen (of them).
- sev·en·teenth /ˌsɛvənˈtiːnɵ/ noun, pl -teenths [count]
• I'll see you on the seventeenth of April.
• The bill is due on the seventeenth (of the month).
• one seventeenth of the total
- seventeenth adj
• The paintings were made in the seventeenth century.
• He finished in seventeenth place.
- seventeenth adv
• She finished seventeenth in the race.

sixteen

sixteen [number]

The number 16

US /ˌsɪkˈstiːn/ 
UK /ˌsɪkˈstiːn/ 
Example: 

We've got sixteen (people) coming for lunch.

Oxford Essential Dictionary

sixteen

 number
16

Longman Dictionary of Contemporary English

sixteen

sixteen /ˌsɪkˈstiːn◂/ BrE AmE number
[Language: Old English; Origin: sixtiene, from six 'six' + tien 'ten']
the number 16:
sixteen years later
He moved to London when he was sixteen (=16 years old).
—sixteenth adjective, pronoun:
her sixteenth birthday
the sixteenth century
Let’s have dinner on the 16th (=the 16th day of the month).

 

Oxford Advanced Learner's Dictionary

sixteen

six·teen [sixteen sixteens]   [ˌsɪksˈtiːn]    [ˌsɪksˈtiːn]  number
16
Derived Word: sixteenth  
Word Origin:

Old English siextīene (from six  and -teen).

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

sixteen / ˌsɪkˈstiːn / number

A1 the number 16:

We've got sixteen (people) coming for lunch.

He left school at sixteen (= when he was 16 years old) .

Collins COBUILD Advanced Learner’s English Dictionary

sixteen

[sɪ̱ksti͟ːn]
 
 sixteens
 NUM

 Sixteen is the number 16.
  ...exams taken at the age of sixteen...
  He worked sixteen hours a day...
  The number of under-sixteens in low-paid jobs is increasing.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

sixteen

six·teen /ˌsɪkˈstiːn/ noun, pl -teens [count] : the number 16
- sixteen adj
sixteen years
- sixteen pronoun
Sixteen (of them) will be coming tonight.
- six·teenth /ˌsɪkˈstiːnɵ/ noun, pl -teenths [count]
• I'll see you on the sixteenth of April.
• The bill is due on the sixteenth (of the month).
• one sixteenth of the total
- sixteenth adj
• The paintings were made in the sixteenth century.
• He finished in sixteenth place.
- sixteenth adv
• She finished sixteenth in the race.
• the nation's sixteenth largest city

fifteen

fifteen [number]

The number 15

US /ˌfɪfˈtiːn/ 
UK /ˌfɪfˈtiːn/ 
Example: 

They live about fifteen miles away.

Oxford Essential Dictionary

fifteen

 number
15

>> fifteenth pronoun, adjective, adverb 15th

 

Longman Dictionary of Contemporary English

fifteen

fifteen /ˌfɪfˈtiːn◂/ BrE AmE number, noun
[Language: Old English; Origin: fiftene, from fif 'five' + tien 'ten']
1. the number 15:
a coastal village fifteen miles south of Tourane
They met when she was fifteen (=15 years old).
2. [countable] a team of 15 players in ↑Rugby Union
—fifteenth adjective, pronoun:
in the fifteenth century
her fifteenth birthday
I’m planning to leave on the fifteenth (=the 15th day of the month).

Oxford Advanced Learner's Dictionary

fifteen

fif·teen [fifteen fifteens]   [ˌfɪfˈtiːn]  ;   [ˌfɪfˈtiːn] 

1. number 15

2. noun a team of Rugby Union players
• He's in the first fifteen.

Derived Word: fifteenth

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

fifteen / ˌfɪfˈtiːn / number

A1 the number 15:

They live about fifteen miles away.

"How old is your sister?" "Fifteen."

Collins COBUILD Advanced Learner’s English Dictionary

fifteen

[fɪ̱fti͟ːn]
 
 fifteens

 1) NUM Fifteen is the number 15.
 2) N-COUNT-COLL A rugby-union team can be referred to as a fifteen.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

fifteen

 

fif·teen /ˌfɪfˈtiːn/ noun, pl -teens [count] : the number 15
- fifteen adj
fifteen dollars
- fifteen pronoun
• Only fifteen (of them) showed up on time.
- fif·teenth /ˌfɪfˈtiːnɵ/ noun, pl -teenths [count]
• the fifteenth of September
• one fifteenth of the total
- fifteenth adj
• the fifteenth day
- fifteenth adv
• Their boat finished fifteenth.

fourteen

fourteen [number]

The number 14

US /ˌfɔːrˈtiːn/ 
UK /ˌfɔːˈtiːn/ 
Example: 

Her baby is fourteen months old.

Oxford Essential Dictionary

fourteen

 number
14

>> fourteenth pronoun, adjective, adverb 14th

Longman Dictionary of Contemporary English

fourteen

fourteen /ˌfɔːˈtiːn◂ $ ˌfɔːr-/ BrE AmE number
[Language: Old English; Origin: feowertiene, from feower 'four' + tien 'ten']
the number 14:
He used to work fourteen hours a day.
I started playing the guitar when I was fourteen (=14 years old).
—fourteenth adjective, pronoun:
in the fourteenth century
my fourteenth birthday
I’m planning to leave on the fourteenth (=the 14th day of the month).

Oxford Advanced Learner's Dictionary

fourteen

four·teen [fourteen fourteens]   [ˌfɔːˈtiːn]    [ˌfɔːrˈtiːn]  number
14
Derived Word: fourteenth  
Word Origin:

Old English fēowertīene (from four  and -teen).

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

fourteen / ˌfɔːˈtiːn /   / ˌfɔːr- / number

A1 the number 14:

Her baby is fourteen months old.

Luisa is going to be fourteen next month.

Collins COBUILD Advanced Learner’s English Dictionary

fourteen

[fɔ͟ː(r)ti͟ːn]
 
 NUM

 Fourteen is the number 14.
  I'm fourteen years old.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

fourteen

four·teen /foɚˈtiːn/ noun, pl -teens [count] : the number 14
- fourteen adj
fourteen days
- fourteen pronoun
Fourteen (of them) are gone.
- four·teenth /foɚˈtiːnɵ/ noun, pl -teenths [count]
• The bill is due on the fourteenth (of the month).
• one fourteenth of the total
- fourteenth adj
• I finished (the race) in fourteenth place.
- fourteenth adv
• I finished fourteenth in the race.
• the nation's fourteenth largest city

thirteen

thirteen [number]

The number 13

US /θɝːˈtiːn/ 
UK /θɜːˈtiːn/ 
Example: 

Some people think that thirteen is an unlucky number.

Oxford Essential Dictionary

thirteen

 number
13

>> thirteenth pronoun, adjective, adverb 13th

Longman Dictionary of Contemporary English

thirteen

thirteen /ˌθɜːˈtiːn◂ $ ˌθɜːr-/ BrE AmE number
[Language: Old English; Origin: threotiene, from thrie, threo% 'three' + tien 'ten']
the number 13:
They’ve only sold thirteen tickets so far.
When it happened, I was thirteen (=13 years old).
—thirteenth adjective, pronoun:
It’s Roberto’s thirteenth birthday.
the thirteenth century
I’m planning to leave on the thirteenth (=the 13th day of the month).

Oxford Advanced Learner's Dictionary

thirteen

thir·teen   [ˌθɜːˈtiːn]    [ˌθɜːrˈtiːn]  number
13
Derived Word: thirteenth  
Word Origin:

[thirteen thirteenth] Old English thrēotīene (from three  and -teen). The spelling with initial thi- is recorded in late Middle English.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

thirteen / θɜːˈtiːn /   / θɝː- / number

A1 the number 13:

Some people think that thirteen is an unlucky number.

There were twelve or thirteen people waiting at the bus stop.

Collins COBUILD Advanced Learner’s English Dictionary

thirteen

[θɜ͟ː(r)ti͟ːn]
 
 thirteens
 NUM

 Thirteen is the number 13.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

thirteen

thir·teen /ˌɵɚˈtiːn/ noun, pl -teens [count] : the number 13
- thirteen adj
thirteen students
- thirteen pronoun
• All thirteen (of them) passed the exam.
- thir·teenth /ˌɵɚˈtiːnɵ/ noun, pl -teenths [count]
• the thirteenth of October
• one thirteenth of the budget
- thirteenth adj
• the thirteenth caller
- thirteenth adv
• She finished thirteenth.
• the nation's thirteenth largest city

twelve

twelve [number]

The number 12

US /twelv/ 
UK /twelv/ 
Example: 

The cafeteria opens for lunch at twelve (o'clock).

Oxford Essential Dictionary

twelve

 number
12

Longman Dictionary of Contemporary English

twelve

twelve /twelv/ BrE AmE number
[Language: Old English; Origin: twelf]
the number 12 ⇨ dozen:
He received a twelve-month jail sentence.
Come at twelve (=12 o'clock).
Their son Dylan is twelve (=12 years old).
—twelfth adjective, pronoun:
her twelfth birthday
in the twelfth century
I’m planning to leave on the twelfth (=the 12th day of the month).

Oxford Advanced Learner's Dictionary

twelve

twelve [twelve twelves]   [twelv]    [twelv]  number
12
Derived Word: twelfth  
Word Origin:

Old English twelf(e), from the base of two  + a second element (probably expressing the sense ‘left over’); of Germanic origin and related to Dutch twaalf and German zwölf. Compare with eleven.

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

twelve / twelv / number

A1 the number 12:

The cafeteria opens for lunch at twelve (o'clock).

a twelve-seater minibus

→  See also dozen

Collins COBUILD Advanced Learner’s English Dictionary

twelve

[twe̱lv]
 
 twelves
 NUM

 Twelve is the number 12.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

twelve
 

twelve /ˈtwɛlv/ noun, pl twelves
1 [count] : the number 12
2 [count] : the 12th in a set or series
• question number twelve
3 [noncount] : twelve o'clock
• “What time is it?” “It's twelve.”
• I have lunch at twelve.
4 the Twelve : the twelve original disciples of Jesus Christ
- twelve adj
• It was a twelve-hour flight.
twelve days later
- twelve pronoun
• All twelve (of them) came to the party.

eleven

eleven [number]

The number 11

US /əˈlev.ən/ 
UK /ɪˈlev.ən/ 
Example: 

There are eleven girls in my class and ten boys.

Oxford Essential Dictionary

eleven

 number
11

>> eleventh pronoun, adjective, adverb 11th

Longman Dictionary of Contemporary English

eleven

eleven /ɪˈlevən/ BrE AmE number, noun
[Language: Old English; Origin: endleofan]
1. the number 11:
She was sent to jail for eleven months.
I never go to bed before eleven (=11 o'clock).
James had worked every summer since he was eleven (=11 years old).
2. [countable] a team of 11 players in football or ↑cricket:
He plays regularly in the first eleven (=the best team of 11 players).

Oxford Advanced Learner's Dictionary

eleven

eleven [eleven elevens]   [ɪˈlevn]  ;   [ɪˈlevn] 

1. number 11

2. noun a team of eleven players for football ( soccer ), cricket or hockey
She was chosen for the first eleven.
Idiom: at the eleventh hour

Derived Word: eleventh

Cambridge Advanced Learner's Dictionary

Cambridge Advanced Learner's Dictionary - 4th Edition
 

eleven / ɪˈlev. ə n / number

A1 the number 11:

There are eleven girls in my class and ten boys.

My younger brother is eleven.

Collins COBUILD Advanced Learner’s English Dictionary

eleven

[ɪle̱v(ə)n]
 
 elevens
 NUM

 Eleven is the number 11.
  ...the Princess and her eleven friends.

Merriam-Webster's Advanced Learner's Dictionary

Merriam-Webster's Advanced Learner's Dictionary: 

eleven

elev·en /ɪˈlɛvən/ noun, pl -ens
1 [count] : the number 11
2 [count] : the eleventh in a set or series
• page eleven
• item/question number eleven
3 [noncount] : eleven o'clock
• I got home last night at eleven.
- eleven adj
eleven turtles
- eleven pronoun
Eleven (of them) were absent from the ceremony.
- elev·enth /ɪˈlɛvənɵ/ noun, pl -enths [count]
• one eleventh of the total
- eleventh adj
• the eleventh person in line
- eleventh adv
• He finished eleventh in the race.

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