alternation

noun

al·​ter·​na·​tion ˌȯl-tər-ˈnā-shən How to pronounce alternation (audio)
also ˌal-
1
a
: the act or process of alternating or causing to alternate
b
: alternating occurrence : succession
2
3
: the occurrence of different allomorphs or allophones

Examples of alternation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Nguyen and Akhavan also worked with architects and engineers to make the necessary alternations to Canada’s permanent building in the Giardini, while protecting the tree that it is constructed around. Harrison Jacobs, ARTnews.com, 6 May 2026 The luxury department store chain employs 1,500 people to provide tailoring and alternations. Anne D'innocenzio, Boston Herald, 12 Apr. 2026 The luxury department store chain employs 1,500 people to provide tailoring and alternations, from hemming jeans and repairing rips to fitting suits and reworking evening gowns. Anne D’innocenzio, Los Angeles Times, 6 Apr. 2026 Conductors often fetishize the opening bars of this opera, their squirmy alternation of silence and piquant dissonance. Justin Davidson, Vulture, 11 Mar. 2026 See All Example Sentences for alternation

Word History

Etymology

Middle English alternacioun, borrowed from Anglo-French, borrowed from Latin alternātiōn-, alternātiō, from alternāre "to ebb and flow, act in alternation, arrange in alternating order" + -tiōn-, -tiō, suffix of verbal action — more at alternate entry 1

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of alternation was in the 15th century

Cite this Entry

“Alternation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alternation. Accessed 12 May. 2026.

Kids Definition

alternation

noun
al·​ter·​na·​tion ˌȯl-tər-ˈnā-shən How to pronounce alternation (audio)
also ˌal-
1
: the act or process of alternating
2
: alternate position or occurrence : succession
3
: regular reversal in direction of flow
an alternation of an electric current

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