valence band

noun

See energy band

Words nearby valence band

valediction, valediction forbidding mourning, a, valedictorian, valedictory, valence, valence band, valence electron, valence electrons, valence-conduction band, valencia, valenciennes

Scientific definitions for valence band

valence band

The outermost electron shell of atoms in an insulator or semiconductor, in which the electrons are too tightly bound to the atom to carry electric current. Compare conduction band. See also bandgap.