heat exhaustion Hear it!

heat exhaustion definition

heat exhaustion

a condition caused by excessive loss of salt and water, usually resulting from overexertion in a hot environment, and characterized by peripheral vascular collapse, dizziness, nausea, low body temperature, clammy skin, etc.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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