ACCLIMATION
acclimatization, acclimatisation, acclimation
(noun) adaptation to a new climate (a new temperature or altitude or environment)
Source: WordNet® 3.1
Etymology
Noun
acclimation (countable and uncountable, plural acclimations)
The process of becoming, or the state of being, acclimated, or habituated to a new climate; acclimatization.
(biology) The adaptation of an organism to its natural climatic environment.
Source: Wiktionary
Ac`cli*ma"tion, n.
Definition: The process of becoming, or the state of being, acclimated, or
habituated to a new climate; acclimatization.
Source: Webster’s Unabridged Dictionary 1913 Edition