# commutative

[kuh-myoo-tuh-tiv, kom-yuh-tey-tiv]

### adjective

of or relating to commutation, exchange, substitution, or interchange.

Mathematics.

- (of a binary operation) having the property that one term operating on a second is equal to the second operating on the first, as a × b = b × a.
- having reference to this property: commutative law for multiplication.

## Origin of commutative

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

## commutative

### adjective

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

## commutative

Online Etymology Dictionary, © 2010 Douglas Harper

## commutative

[kə-myōō′tə-tĭv, kŏm′yə-tā′tĭv]

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