acclimatization

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun adaptation to a new climate (a new temperature or altitude or environment)

From acclimatize + -ation.

As a matter of fact, Pinecoffin had still to reach the acclimatization stage; having gone off on a side-issue on the merging of types. — The Works of Rudyard Kipling: One Volume Edition, Rudyard Kipling
It seems that the acclimatization of foreign creatures was one of his hobbies, and that he had brought with him from Brazil a number of birds and beasts which he was endeavouring to rear in England. — Tales of Terror and Mystery, Arthur Conan Doyle
And they deserved that success when one considers the difficulties and discomforts--the months spent in acclimatization chambers back on earth, learning to breathe the air as tenuous as that of Mars, the challenging of the void in the tiny rocket driven by the cranky reaction motors of the twenty-first century, and mostly the facing of an absolutely unknown world. — A Martian Odyssey, Stanley G. (Stanley Grauman) Weinbaum

acclimatisation, acclimation

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