Share Facebook Twitter LinkedIn Email Telegram WhatsApp The process by which the body gradually adapts to higher altitudes, involving physiological and biochemical changes to improve oxygen delivery and utilization, reducing the risk of altitude-related illnesses. Synonyms: altitude acclimatizationRelated Articles: A 17-Year-Old Mt. Aconcagua Summit Dream Comes TrueTraining for Mountaineering: Tapering and Post-Mountain BluesHow Long Does it Take to Climb Mount EverestEnjoying Mt. Aconcagua Climb With Greater FitnessCoaches Only