noun Date: 1920 the effects (as nosebleed or nausea) of oxygen deficiency in the blood and tissues developed at high altitudes having reduced atmospheric pressure
ALTITUDE SICKNESS
Meaning of ALTITUDE SICKNESS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012