Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “number”

number

noun [C] (SYMBOL)   /ˈnʌm·bər/ (plural nos.) (abbreviation no.)
a unit or its symbol that forms part of a system of counting and calculating , and that represents an amount or position in a series : You can write numbers in words, such as six, seven, and eight, or with symbols , such as 6, 7, and 8. A number is also a specific set of symbols in a particular order that represent someone or something: Please write down your Social Security number. A number can also be a position in a series : We’re up to 10 – who has the next number?
(Definition of number noun (SYMBOL) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of number

Definitions of “number” in other dictionaries

Word of the Day

prenuptial agreement

an official document signed by two people before they get married that says what will happen to their possessions and/or children if they divorce (= officially stop being married)

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More