/ Dictionary / Index T thermalgesia: Meaning and Definition of Find definitions for: therm•al•ge•si•a Pronunciation: (thûrm"al-jē'zē-u, -sē-u), [key] — n. Med. pain caused by heat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thermalgesia (Thesaurus) thermal equilibrium thermal noise Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language