• Dictionary
  • Word comparison: single bond vs. double bond

single bond vs. double bond

single bond

noun

Chemistry.
  1. 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.

double bond

noun

Chemistry.
  1. a chemical linkage consisting of two covalent bonds between two atoms of a molecule, represented in chemical formulas by two lines, two dots, or four dots, as CH 2 =CH 2 ; CH 2 :CH 2 ; CH 2 ::CH 2 .