ac·cli·ma·tize also Brit ac·cli·ma·tise /əˈklaɪməˌtaɪz/ verb ac·cli·ma·tiz·es; ac·cli·ma·tized; ac·cli·ma·tiz·ing
to adjust or adapt to a new climate, place, or situation : acclimate
— usually + to
] ▪ The mountain climbers spent a few days acclimatizing [=becoming adjusted] to the high altitude.
] ▪ The mountain climbers spent a few days acclimatizing themselves to the high altitude.
— ac·cli·ma·ti·za·tion also Brit ac·cli·ma·ti·sa·tion /əˌklaɪmətəˈzeɪʃən, Brit əˌklaɪməˌtaɪˈzeɪʃən/ noun