/ Dictionary / Index T total heat: Meaning and Definition of Find definitions for: to'tal heat' Pronunciation: [key] — Thermodynam. Thermodynam. enthalpy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. total eclipse total impulse Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language