Nearby Words

commutative

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

com·mu·ta·tive

[kuh-myoo-tuh-tiv, kom-yuh-tey-tiv]
adjective
1.
of or pertaining to commutation, exchange, substitution, or interchange.
2.
Mathematics.
a.
(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.
b.
having reference to this property: commutative law for multiplication.

Origin:
1525–35; < Medieval Latin commūtātīvus, equivalent to Latin commūtāt(us) (past participle of commūtāre; see commute, -ate1) + -īvus -ive

com·mu·ta·tive·ly, adverb
com·mu·ta·tiv·i·ty, noun
non·com·mu·ta·tive, adjective
un·com·mu·ta·tive, adjective
un·com·mu·ta·tive·ly, adverb
EXPAND
un·com·mu·ta·tive·ness, noun
COLLAPSE
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Commutative is always a great word to know.
So is exponent. Does it mean:
pertaining to the mathematical prerequisites for the study of calculus, as algebra, analytical geometry, and trigonometry
a symbol or number placed above and after another symbol or number to denote the power to which the latter is to be raised
Collins
World English Dictionary
commutative (kəˈmjuːtətɪv, ˈkɒmjʊˌteɪtɪv)
 
adj
1.  relating to or involving substitution
2.  maths, logic
 a.  (of an operator) giving the same result irrespective of the order of the arguments; thus disjunction and addition are commutative but implication and subtraction are not
 b.  relating to this property: the commutative law of addition
 
com'mutatively
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

commutative
1530s, from M.L. commutativus, from L. commutat-, pp. stem of commutare (see commute).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
commutative   (kə-my'tə-tĭv, kŏm'yə-tā'tĭv)  Pronunciation Key 
Of or relating to binary operations for which changing the order of the inputs does not change the result of the operation. For example, addition is commutative, since a + b = b + a for any two numbers a and b, while subtraction is not commutative, since a - b ` a - b unless both a and b are zero. See also associative, distributive.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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