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addition - definition and synonyms

 
 
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noun addition pronunciation in American English /əˈdɪʃ(ə)n/
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singularaddition
pluraladditions

Related words

  1. 1
    [countable] something that you add to something else
    addition to: The latest addition to her business empire is a chain of clothing stores.
    New additions to the library include reading lamps and comfortable chairs.
    This program is a useful addition to their range of business-related software.
    1. a.
      [uncountable] the action of adding something to something else
      The addition of a few drops of lavender oil to your bath water aids relaxation.
  2. 2
    [uncountable] maths the process of adding two or more numbers or amounts together to make a total
    Lesley is teaching the children addition and subtraction.

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