/ Dictionary / Index H homothermal: Meaning and Definition of Find definitions for: ho•mo•ther•mal Pronunciation: (hō"mu-thûr'mul, hom"u-), [key] — adj. homoiothermal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. homotherm homothetic Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language