/ Dictionary / Index T thermodiffusion: Meaning and Definition of Find definitions for: ther•mo•dif•fu•sion Pronunciation: (thûr"mō-di-fy'zhun), [key] — n. Physical Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thermocurrent thermoduric Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language