acclimatization

noun

ac·​cli·​ma·​ti·​za·​tion
variants also British acclimatisation
ə-ˌklī-mə-tə-ˈzā-shən How to pronounce acclimatization (audio)
-ˌtī-ˈzā- also a-
plural -s
Synonyms of acclimatizationnext
1
: the process of acclimatizing : the result of acclimatizing
2
ecology : adaptation or increased tolerance of a species to a changed environment in the course of several generations compare acclimation sense 2

Word History

Etymology

acclimatize + -ation

First Known Use

1826, in the meaning defined at sense 1

Time Traveler
The first known use of acclimatization was in 1826

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Cite this Entry

“Acclimatization.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acclimatization. Accessed 13 Dec. 2025.

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