double bond

noun Chemistry.

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 CH2=CH2; CH2:CH2; CH2::CH2.

Origin of double bond

First recorded in 1885–90

Words nearby double bond

double blind experiment, double block, double blossom, double bogey, double boiler, double bond, double bridle, double centering, double check, double chin, double cloth

Example sentences from the Web for double bond

  • Petroleum when cracked up to make gasoline gives isoprene or other double-bond compounds that go over into some form of rubber.

    Creative Chemistry |Edwin E. Slosson

British Dictionary definitions for double bond

double bond

noun

a type of chemical bond consisting of two covalent bonds linking two atoms in a molecule

Medical definitions for double bond

double bond

n. Symbol Δ

A covalent bond in which two electron pairs are shared between two atoms.

Scientific definitions for double bond

double bond
[ dŭb′əl ]

A type of covalent bond in which two electron pairs are shared between two atoms. Each atom contributes two electrons to the bond. See more at covalent bond.