I. verb — [no obj.] (often acclimatize to or be/become acclimatized to) 1. become accustomed to a new climate or new conditions; adjust • it’s unknown whether people will acclimatize to increasingly warm weather.
[Biology] respond physiologically or behaviourally to changes in a complex of environmental factors.Compare with acclimate.
3. [with obj.] —
[Horticulture] harden off (a plant).
II. derivatives acclimatization /əˌklʌɪmətʌɪˈzeɪʃ(ə)n / noun
– origin mid 19th cent.: from French acclimater ‘acclimatize’ + -ize.