/ Dictionary / Index R ring compound: Meaning and Definition of Find definitions for: ring' com"pound Pronunciation: [key] — Chem. Chem. a compound whose structural formula contains a closed chain or ring of atoms; a cyclic compound. Cf.(def. 3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ringbone Ring Cycle* Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language