QUADRIVALENCE
Quad*riv"a*lence, n. (Chem.)
Defn: The quality or state of being quadrivalent; tetravalence.
QUADRIVALENT
Quad*riv"a*lent, a. Etym: [Quadri- + L. valens, -entis, p. pr. See
Valence.] (Chem.)
Defn: 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.
QUADRIVALVE
Quad"ri*valve, a. Etym: [Quadri- + valve: cf. F. quadrivalve.] (Bot.)
Defn: Dehiscent into four similar parts; four-valved; as, a quadrivalve pericarp.
QUADRIVALVE
Quad"ri*valve, n. (Arch.)
Defn: A door, shutter, or the like, having four folds.
QUADRIVALVULAR
Quad`ri*val"vu*lar, a.
Defn: Having four valves; quadrivalve.