Definitions for: Quadrivalent

Webster (1913) Definition: Quad*riv"a*lent, a. [Quadri- + L. valens, -entis,
p. pr. See Valence.] (Chem.)
Having a valence of four; capable of combining with, being
replaced by, or compared with, four monad atoms; tetravalent;
-- said of certain atoms and radicals; thus, carbon and
silicon are quadrivalent elements.