heat exhaustion: Meaning and Definition of

heat' exhaus"tion

Pronunciation: [key]
  1. a condition characterized by faintness, rapid pulse, nausea, profuse sweating, cool skin, and collapse, caused by prolonged exposure to heat accompanied by loss of adequate fluid and salt from the body. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.