Subtract

sub-trakt′, v.t. to take away a part from the rest: to take one number or quantity from another to find their difference.— ns. Subtrac′ter ; Subtrac′tion , the act or operation of subtracting: the taking a le number or quantity from a greater.— adj. Subtract′ive , subtracting: tending to subtract or le en.— n. Sub′trahend , the sum or number to be subtracted from another. [L. sub , under, trahĕre , tractum , to draw away.]