altitude sickness

Definitions

Medical

  • noun a condition caused by reduced oxygen in the air above altitudes of 7000 to 8000 feet (3600 metres). Symptoms include headaches, breathlessness, fatigue, nausea and swelling of the face, hands and feet.

Sports

  • noun a reduction in the amount of oxygen in body tissues caused by being at high altitudes, which may affect athletes performing abroad
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