Origin: Latin suffix -tion
Acclimatization has 2 different meanings across 1 category:
adaptation to a new climate (a new temperature or altitude or environment)
The act of acclimatizing; the process of inuring to a new climate, or the state of being so inured.
The word comes from combining the verb acclimatize with the suffix -ation. It originally referred to the process of becoming used to a new climate or environment.