/ Dictionary / Index T thermoelectron: Meaning and Definition of Find definitions for: ther•mo•e•lec•tron Pronunciation: (thûr"mō-i-lek'tron), [key] — n. Physics. an electron emitted by an incandescent material. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thermoelectromotive force thermoform Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language