/ Dictionary / Index X xenon tetrafluoride: Meaning and Definition of Find definitions for: xe'non tetrafluo'ride Pronunciation: [key] — Chem. Chem. a colorless, crystalline compound, XeF, prepared by heating a gaseous mixture of fluorine and xenon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. xenon hexafluoride xenon trioxide Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language