addition [ə'diʃən]

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n. accession��gain��improver��plus

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n.   deduction��subtraction

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addition��appendix��attachment��supplement��accessory
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1. Plants grow better with the addition of manure .
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2. Sound addition includes the gain or insertion of a sound.
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3. Catalyst addition not only reduces the residual ozone content by 60.
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n.
  1. a component that is added to something to improve it
  2. the act of adding one thing to another
  3. a quantity that is added
  4. something added to what you already have
  5. a suburban area laid out in streets and lots for a future residential area
  6. the arithmetic operation of summing; calculating the sum of two or more numbers

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addition
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in addition
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addition reaction
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addition item
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addition constant
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