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noun number pronunciation in American English /ˈnʌmbər/
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singularnumber
pluralnumbers
  1. 1
    [countable] a sign or word that represents an amount or quantity. 1, 2, 3, etc. andone,” “two,” “three,” etc. are numbers

    large numbers like 250,000

    Can you read the numbers on the chart?

  2. 2
    [countable] used for showing the position of something in a series

    As a tennis player, she rated number one (=the best) in the nation.

    The local trains will be arriving on track number 4.

    Her apartment number is 16C.

  3. 3
    [countable] a telephone number

    Call this number to get a taxi.

    wrong number:

    I must have dialed the wrong number.

  4. 4
    [countable] a number that marks something in a way that separates it from everything else of its type, so that you can easily find it or discover who it belongs to

    Your account number is printed on every check.

    In order to get a job, you have to have a Social Security number.

  5. 5
    [countable/uncountable] a quantity of people or things
    number of:

    a small number of stores

    increasing numbers of drivers

    This brings the total number of children to 12.

    See also amount1
  6. 6
    [countable] a song or piece of music, especially one that is part of a longer performance

    show-stopping numbers from Broadway musicals

  7. 7
    [countable] informal someone or something that is unusual or attractive

    She was wearing a little black number (=dress or outfit).

  8. 8
    [uncountable] linguistics the form of a word that shows whether you are referring to one thing or more than one thing

    If the subject is plural, the verb has to be in the plural number.

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