n. (Chem.) The quality or state of being tetravalent; quadrivalence. [ 1913 Webster ]
a. [ Tetra- + L. valens, -entis, p. pr. ] (Chem.) Having a valence of four; tetratomic; quadrivalent. [ 1913 Webster ]
a. [ Tetra- + L. valens, -entis, p. pr. ] (Chem.) Having a valence of four; tetratomic; quadrivalent. [ 1913 Webster ]