Definitions

1. noun

A person or thing that acclimatizes, or a person who acquires a physical or mental adaptation to a new environment.

“The trekkers needed to be acclimatisers to survive on the high-altitude mountain.”

2. verb

To adapt or become accustomed to a new environment or condition.

“She had to acclimatise to the hot and humid climate when moving to the tropics.”

3. verb

To bring or introduce something (such as an organism or a product) to a new environment in which it may not be adapted.

“The farmers had to acclimatise their crops to the new soil conditions.”