Origin: Latin suffix -tion
Acclimation has 2 different meanings across 1 category:
adaptation to a new climate (a new temperature or altitude or environment)
The process of becoming, or the state of being, acclimated, or habituated to a new climate; acclimatization.
This word comes from combining "acclimate" with the suffix "-ion." It first appeared in written English in 1801.