alternation

[awl-ter-ney-shuhn, al-]
noun
1.
the act or process of alternating or the state of being alternated.
2.
alternate succession; repeated rotation: the alternation of the seasons.
3.
Electricity. a single fluctuation in the absolute value of an alternating current or voltage from zero to a maximum and back to zero, being equal to one half cycle.
4.
Linguistics. variation in the form of a linguistic unit as it occurs in different environments or under different conditions, as between the -ed and -en forms of the past participle in danced and spoken or between the (t) and (d) pronunciations of the past tense suffix -ed in hopped and rubbed.

Origin:
1605–15; < Late Latin alternātiōn- (stem of alternātiō). See alternate, -ion

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To alternations
Collins
World English Dictionary
alternation (ˌɔːltəˈneɪʃən)
 
n
1.  successive change from one condition or action to another and back again repeatedly
2.  logic another name for disjunction

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

alternation
1610s, from Fr.alternation, from L. alternationem (nom. alternatio), noun of action from alternatus, pp. of alternare (see alternate).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

alternation al·ter·na·tion (ôl'tər-nā'shən, āl'-)
n.
Successive change from one thing or state to another and back again.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Example sentences for alternations
He was willing to make subtle alternations to topography for artistic effect.
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature