/ Dictionary / Index S selenic acid: Meaning and Definition of Find definitions for: sele'nic ac'id Pronunciation: [key] — Chem. Chem. a crystalline, water-soluble, strong, corrosive, dibasic acid, HSeO, resembling sulfuric acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. selenic selenide Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language