quadrivalent

• POS: Adjective
• HYPHEN: quad=ri=va=lent

CIDE DICTIONARY

quadrivalent, a. [Quadri- + L. valens, -entis, p. pr. See Valence.].

 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.  [1913 Webster]

OXFORD DICTIONARY

quadrivalent, adj. Chem. having a valency of four.