acclimation

noun

ac·​cli·​ma·​tion ˌa-klə-ˈmā-shən How to pronounce acclimation (audio)
-ˌklī-
Synonyms of acclimationnext
: the process or result of acclimating
especially : physiological adjustment by an organism to environmental change

Synonyms of acclimation

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Examples of acclimation in a Sentence

a period of acclimation to the region's rising temperatures
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.
Instead, with the scheduling of this latest round of World Cup qualifying a month prior to the start of the Heat’s training camp, and amid Antetokounmpo’s first career NBA relocation, a decision was made to expedite that acclimation process. — Ira Winderman, Sun Sentinel, 12 Aug. 2026 His end zone interception Thursday in front of Katsis during a red-zone period was arguably the top play made during Denver’s two acclimation practices. — Nick Kosmider, New York Times, 31 July 2026 Carson, the defending City Section Open Division champion, will have five mandatory days of acclimation, then hold an intrasquad scrimmage on Saturday. — Eric Sondheimer, Los Angeles Times, 26 July 2026 Chalk it up as another part of the acclimation process, which doesn’t seem to be fazing the newest Hornets’ all that much. — Roderick Boone, Charlotte Observer, 7 July 2026 See All Example Sentences for acclimation

Word History

Etymology

acclim(ate) + -ation

First Known Use

1801, in the meaning defined above

Time Traveler
The first known use of acclimation was in 1801

Rhymes for acclimation

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Browse Nearby Words

acclimated
acclimation
acclimatise
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Cite this Entry

“Acclimation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acclimation. Accessed 1 Sep. 2026.

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Medical Definition

acclimation

noun
ac·​cli·​ma·​tion ˌak-lə-ˈmā-shən, -ˌlī- How to pronounce acclimation (audio)
: acclimatization especially by physiological adjustment of an organism to environmental change
Last Updated: - Updated example sentences
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