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

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.
Because each animal had been packed separately, rescue teams performed delicate individual drip acclimation procedures to ease the creatures into new water conditions and prevent further physiological shock. Moná Thomas, PEOPLE, 1 June 2026 The idea of enduring the ingredient’s acclimation phase, which can result in flaking, redness, and dryness as skin gets used to its power, has deterred me. Sophie Wirt, InStyle, 29 May 2026 The Vikings don’t want to rush Golday’s acclimation. Alec Lewis, New York Times, 22 May 2026 Securing greater public buy-in requires emotional acclimation. Michael Ashley, Forbes.com, 20 May 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

Browse Nearby Words

Cite this Entry

“Acclimation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acclimation. Accessed 11 Jun. 2026.

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
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