# subtraction

[suh b-trak-shuh n]

### noun

an act or instance of subtracting.

Mathematics. the operation or process of finding the difference between two numbers or quantities, denoted by a minus sign (−).

## Origin of subtraction

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

## Examples from the Web for subtraction

### Contemporary Examples of subtraction

### Historical Examples of subtraction

But the family-party was soon to be broken up—not by subtraction, but by addition.

Weighed and WantingGeorge MacDonald

But the addition or subtraction disclosed a deficit and he exclaimed at it.

The Paliser caseEdgar Saltus

Now it appears to me that a little child, with the simple rules of addition and subtraction, could have refuted this man.

It will be seen that the latter method is by addition, the former by subtraction.

The Maya ChroniclesVarious

The Indian is no fool, although he can't do addition and subtraction.

## subtraction

### noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Online Etymology Dictionary, © 2010 Douglas Harper

## subtraction

[səb-trăk′shən]

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.