Meaning of subtractive

sub•trac•tive

Pronunciation: (sub-trak'tiv), [key]
— adj.
  1. tending to subtract; having power to subtract.
  2. (of a quantity) that is to be subtracted; having the minus sign (−).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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