/ Dictionary / Index T thermic: Meaning and Definition of Find definitions for: ther•mic Pronunciation: (thûr'mik), [key] — adj. thermal (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thermic (Thesaurus) thermesthesia thermic fever Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language