LEARNit Dictionary
altitude sickness
noun
/ˈæltɪtjuːd sɪknəs/
UK
/ˈæltɪtuːd sɪknəs/
US
1
illness caused by a lack of oxygen, because of being very high above sea level, for example on a mountain
بیماری ارتفاع, بیماری ارتفاعزدگی, بیماری کوهستان