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Verb: subtract  sub'trakt
  1. (arithmetic) make a subtraction
    "subtract this amount from my paycheque";
    - deduct, take off
  2. Take off or away
    "this prefix was subtracted when the word was borrowed from French"

Derived forms: subtracted, subtracts, subtracting

See also: take away

Type of: bring down, calculate, cipher, compute, cut, cut back, cut down, cypher, figure [N. Amer], reckon, reduce, trim, trim back, trim down, work out

Encyclopedia: Subtract