# subtract

[suhb-trakt]

### verb (used with object)

to withdraw or take away, as a part from a whole.

Mathematics. to take (one number or quantity) from another; deduct.

### verb (used without object)

to take away something or a part, as from a whole.

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When X Always = 10Roman numerals are a collection of symbols that make up the number system that was used by the ancient Romans. Today, Roman numerals are more commonly used in titles, to number parts of works, in music theory, and on clock faces. Where do you see Roman numerals most often? The Symbols The Roman numeral system uses only seven symbols: I, V, X, L, C, D, …

## RELATED WORDS

## Origin of subtract

1530–40; < 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

## Synonyms for subtract

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.

## Antonyms for subtract

1–3. add.

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for subtract

## subtract

### verb

## Word Origin for subtract

C16: from Latin subtractus withdrawn, from subtrahere to draw away from beneath, from sub- + trahere to draw

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Online Etymology Dictionary, © 2010 Douglas Harper