Pronunciation: (sub-trakt'), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/subtract.html on line 75 [key]
1. to withdraw or take away, as a part from a whole.
2. Math.to take (one number or quantity) from another; deduct.
to take away something or a part, as from a whole.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.