ac·​cli·​ma·​tion | \ ˌa-klə-ˈmā-shən How to pronounce acclimation (audio) , -ˌklī- \

Definition of acclimation

: the process or result of acclimating especially : physiological adjustment by an organism to environmental change

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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 The good news is your body can begin to adjust to frigid weather in a matter of a days, according to a number of cold acclimation studies. New York Times, "When the Weather Outside Is Frightful, Here’s How to Stay Warm," 21 Dec. 2020 Terry’s acclimation, however, has been one of steady progression, and Tuesday’s practice was the best evidence yet. Callie Caplan, Dallas News, "From draft slip to ‘phenomenal’ progress: Mavs rookie Tyrell Terry is acing the hectic NBA transition," 8 Dec. 2020 There are similarities between the Browns’ system and the Seahawks’ in which Thompson spent four seasons, so that should hasten his acclimation period. cleveland, "Baker Mayfield’s 5th-year option could be under $20M with new CBA rules and picking it up is almost a no-brainer: Browns Insider," 6 Dec. 2020 And all of the Gophers 12 positive players must sit out the Big Ten’s mandatory 21 days for isolation, cardiac testing and an acclimation period, which could knock them out of the Northwestern game and Nebraska on Dec. 12. Megan Ryan, Star Tribune, "Thanksgiving Day will be anything but usual for idle Gophers football team," 25 Nov. 2020 This has been a year of partial acclimation to that fact. Megan Garber, The Atlantic, "Beware False Endings," 31 Oct. 2020 Martin’s role will be defined over time, of course, depending on his acclimation and the development of those around him. Mike Anthony,, "Mike Anthony: UConn’s Tyrese Martin left a good situation at Rhode Island for a better one in Storrs," 11 Oct. 2020 The school hopes to have all players back on campus Sept. 10, hold five days of practice and heat acclimation and host Valley Head on Sept. 18. Ben Thomas |, al, "Another Birmingham-area football team forced to quarantine after positive COVID test," 27 Aug. 2020 And the less-than-intuitive touchpad controls of the A35's MBUX infotainment system—with dual 10.3-inch instrument cluster and center-stack screens, upsized from the A-class's standard 7.0-inchers—requires some acclimation. Mike Sutton, Car and Driver, "Tested: 2020 Mercedes-AMG A35 Leads to Wilder AMGs," 18 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acclimation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of acclimation

1801, in the meaning defined above

History and Etymology for acclimation

acclim(ate) + -ation

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Time Traveler for acclimation

Time Traveler

The first known use of acclimation was in 1801

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Statistics for acclimation

Last Updated

13 Jan 2021

Cite this Entry

“Acclimation.” Dictionary, Merriam-Webster, Accessed 22 Jan. 2021.

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More Definitions for acclimation


ac·​cli·​ma·​tion | \ ˌak-lə-ˈmā-shən, -ˌlī- How to pronounce acclimation (audio) \

Medical Definition of acclimation

: acclimatization especially by physiological adjustment of an organism to environmental change

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