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Definition of acclimation

acclimation

/ˌæk.ləˈmeɪ.ʃən/
(UK: acclimatisation)
ac · cli · ma · tion
Plural:acclimations
•
Adjective:acclimational
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acclimation Lexical Profile

acclimation Game Scores & Validity

• noun

1

American The process or state of adjusting or becoming accustomed to a new climate, altitude, environment, or situation.

Example

"Proper acclimation to the high altitude took the mountaineers several days before they could attempt the summit."

Synonyms
View all synonyms for acclimation
Antonyms
View all antonyms for acclimation

Word Nuance & Usage

In general usage, 'acclimation' (primarily American English) and 'acclimatization' are interchangeable, though in biology and physiology, 'acclimation' often refers specifically to adaptation to controlled laboratory conditions while 'acclimatization' refers to adaptation to natural environmental changes.

• Rhymes for acclimation

• Nearby Words

acclaimed
acclamation
acclimate
acclimation
acclimatize
accolade
accommodate

Word Origin & Etymology

Borrowed in the late 18th century from French acclimation, a noun of action formed from acclimater ('to adapt to a new climate'), from à ('to') and climat ('climate').

Cite this Entry

Wordmom. (2026). Definition of Acclimation. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/acclimation
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