number Definition in Cambridge British English Dictionary
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Definition of "number" - British English Dictionary

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numbernoun

uk   /ˈnʌm.bər/  us   /-bɚ/

number noun (SYMBOL)

A1 [C] (a sign or symbol representing) a unit that forms part of the system of counting and calculating: 25, 300, and a billion are all numbers. She's very good with numbers (= good at adding, subtracting, etc.).A1 [C] (written abbreviation no.) a number that is used to mark a particular example of something: They live at number 34 Orchard Street. Please write your credit card number on this form. What's our flight number?A1 [C] (written abbreviation no.) a phone number: I gave him my number.
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number noun (AMOUNT)

B1 [S, + sing/pl verb] an amount or total: The number of people killed in road accidents fell last month. There has been an increasing number of cases of the disease. A small number of children are educated at home. A large number of invitations has been sent. Letters of complaint were surprisingly few in number (= there were not many of them).numbers [plural] a number of a particular description: Small numbers of children are educated at home. Large numbers of invitations were sent. Newspapers are produced in vast numbers.a number of things B2 several of a particular type of thing: I decided not to go, for a number of reasons. [S, + sing/pl verb] a group of people: On the trip, one of our number fell ill.
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number noun (PARTICULAR THING)

[C] a particular example of something [C] a particular copy of a magazine: Do you have last week's number of the New Yorker? He's got all the back numbers (= previous copies) of the magazine. [C] informal a piece of clothing, especially a dress, that you admire: She was wearing a stylish Dior number. [C] US slang a person with a particular characteristic: He's a real sexy number, don't you think? [C] a short tune or song: Sing one of those romantic numbers. [C usually singular] mainly US informal something that is often said: He tried the usual/that old number about how his wife didn't understand him.

numberverb

uk   /ˈnʌm.bər/  us   /-bɚ/

number verb (WRITE SYMBOL)

C1 [T] to give something a number in a series and usually to write this number on it: All the folders have been carefully numbered and filed away. Number the pages from one to ten.

number verb (AMOUNT)

C2 [L only + noun] If people or things number a particular amount, there are this many of them: After the hurricane the homeless numbered over 200,000.
(Definition of number from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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