| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024sub•tract /səbˈtrækt/USA pronunciation v. - to take away, as a part from a whole, or one number from another: [~ + object]When you subtract the two numbers, what is the result?[~ + object + from + object]to subtract one number from another.[no object]Then you subtract; don't make the mistake of adding here.
sub•trac•tion, n. [uncountable]The class learned subtraction last year.[countable]a subtraction in costs.See -trac-. WordReference Random House Unabridged Dictionary of American English © 2024sub•tract (səb trakt′),USA pronunciation v.t. - to withdraw or take away, as a part from a whole.
- Mathematicsto take (one number or quantity) from another;
deduct.
v.i. - to take away something or a part, as from a whole.
- Latin subtractus (past participle of subtrahere to draw away from underneath), equivalent. to sub- sub- + trac- (past participle stem of trahere to draw) + -tus past participle suffix
- 1530–40
- 1, 3.See corresponding entry in Unabridged 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.See corresponding entry in Unabridged –3. add.
|