trivalent

• POS: Adjective, Noun
• HYPHEN: tri=va=lent

CIDE DICTIONARY

trivalent, a. [Pref. tri- + L. valens, -entis, p. pr. See Valence.].

 Having a valence of three; capable of being combined with, substituted for, or compared with, three atoms of hydrogen; -- said of triad atoms or radicals; thus, nitrogen is trivalent in ammonia.  [1913 Webster]

OXFORD DICTIONARY

trivalent, adj. Chem. having a valency of three; tervalent.

Derivative

trivalency n.