acclimation

noun

ac·​cli·​ma·​tion ˌa-klə-ˈmā-shən 

-ˌklī-

: the process or result of acclimating

especially : physiological adjustment by an organism to environmental change

Synonyms of acclimation

• adjustment
• adaptation
• adaption

Examples of acclimation in a Sentence

a period of acclimation to the region's rising temperatures

Recent Examples on the Web

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

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

Word History

Etymology

acclim(ate) + -ation

First Known Use

1801, in the meaning defined above

Rhymes for acclimation

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• accusation
• activation
• actuation
• acylation
• adaptation

Medical Definition

acclimation

noun

ac·​cli·​ma·​tion ˌak-lə-ˈmā-shən, -ˌlī- 

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