/ Dictionary / Index S sodium bisulfate: Meaning and Definition of Find definitions for: so'dium bisul'fate Pronunciation: [key] — Chem. Chem. a colorless crystalline compound, NaHSO, soluble in water: used in dyeing, in the manufacture of cement, paper, soap, and an acid-type cleaner. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sodium bichromate sodium borate Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language