/ Dictionary / Index S single bond: Meaning and Definition of Find definitions for: sin'gle bond' Pronunciation: [key] — Chem. Chem. a chemical linkage consisting of one covalent bond between two atoms of a molecule, represented in chemical formulas by one line or two vertical dots, as C–H or C:H. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. single-blind single-breasted Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language