/ Dictionary / Index X xenic acid: Meaning and Definition of Find definitions for: xe'nic ac'id Pronunciation: (zē'nik, zen'ik), [key] — Chem. Chem. the aqueous solution of xenon trioxide, a stable weak acid and strong oxidizing agent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. xenia xeno- Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language