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subtract
4 dictionary results for: subtract
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
sub·tract       [suhb-trakt] Pronunciation Key
–verb (used with object)
1.to withdraw or take away, as a part from a whole.
2.Mathematics. to take (one number or quantity) from another; deduct.
–verb (used without object)
3.to take away something or a part, as from a whole.

[Origin: 1530–40; < L subtractus (ptp. of subtrahere to draw away from underneath), equiv. to sub- sub- + trac- (ptp. s. of trahere to draw) + -tus ptp. suffix]

sub·tract·er, noun

1, 3. Subtract, deduct express diminution in sum or quantity. To subtract suggests taking a part from a whole or a smaller from a larger: to subtract the tax from one's salary. To deduct is to take away an amount or quantity from an aggregate or total so as to lessen or lower it: to deduct a discount. Subtract is both transitive and intransitive, and has general or figurative uses; deduct is always transitive and usually concrete and practical in application.
1–3. add.
American Heritage Dictionary - Cite This Source - Share This
sub·tract       (səb-trākt')  Pronunciation Key 
v.   sub·tract·ed, sub·tract·ing, sub·tracts

v.   tr.
To take away; deduct.

v.   intr.
To perform the arithmetic operation of subtraction.


[Latin subtrahere, subtract- : sub-, sub- + trahere, to draw.]

sub·tract'er n.
WordNet - Cite This Source - Share This
subtract

verb
1. make a subtraction; "subtract this amount from my paycheck" [ant: add
2. take off or away; "this prefix was subtracted when the word was borrowed from French" 

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Subtract

Sub*tract"\, v. t. [imp. & p. p. Subtracted; p. pr. & vb. n. Subtracting.] [L. subtractus, p. p. of subtrahere to draw from beneath, withdraw, remove; sub under + trahere to draw. See Trace, v. t., and cf. Substract.] To withdraw, or take away, as a part from the whole; to deduct; as, subtract 5 from 9, and the remainder is 4.

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