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

That exposure to Fangio is critical in this deal and the in-season acclimation process. —The Athletic Nfl Staff, New York Times, 3 Nov. 2025

He’s been instinctively deferential throughout the acclimation process. —Bennett Durando, Denver Post, 15 Oct. 2025

With a new head coach and 13 different players in the Gophers men’s basketball program this season, there will be a longer acclimation process needed for fans this fall. —Andy Greder, Twin Cities, 9 Oct. 2025

Everything that week was built around the idea of eliminating the Dolphins’ homefield advantage: their players’ natural acclimation to the overwhelming heat and humidity. —Andrew Callahan, Boston Herald, 13 Sep. 2025

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