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Meaning of heatstroke

heat•stroke

Pronunciation: (hēt'strōk"), [key]
— n.
  1. a disturbance of the temperature-regulating mechanisms of the body caused by overexposure to excessive heat, resulting in fever, hot and dry skin, and rapid pulse, sometimes progressing to delirium and coma.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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