ACCLIMATIONS
Scrabble letter values: A1C3C3L1I1M3A1T1I1O1N1S1 = 18
Definition
ACCLIMATIONS is the plural of ACCLIMATION.
noun ACCLIMATION: adaptation to a new climate (a new temperature or altitude or environment).
Synonyms of ACCLIMATION: acclimatization, acclimatisation