/ Dictionary / Index H heat prostration: Meaning and Definition of Find definitions for: heat' prostra"tion Pronunciation: [key] — Med. Med. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heat of vaporization heat pump Related Content Daily Word Quiz: pallid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language