-valent

1.
a combining form with the meanings “having a valence” (quadrivalent), “having homologous chromosomes” (univalent), “having antibodies” (multivalent), of the number specified by the initial element.
Origin
< Latin valent- (stem of valēns, present participle of valēre to be strong); see equivalent
British Dictionary definitions for -valent

-valent

/ˈveɪlənt/
adjective, combining form
1.
(chem) having a specified valency: bivalent, trivalent
Word Origin
C19: from Latin valentia; see valency
-valent in Medicine

-valent suff.
Having a specified valence or valences: polyvalent.