'Monovalent' definitions:

Definition of 'monovalent'

(from WordNet)
adjective
Containing only one kind of antibody [ant: polyvalent]
adjective
Having a valence of 1 [syn: monovalent, univalent] [ant: multivalent, polyvalent]

Definition of 'Monovalent'

From: GCIDE
  • Monovalent \Mo*nov"a*lent\, a. [Mono- + L. valens, p. pr. See Valence.] (Chem.) Having a valence of one; univalent. See Univalent. [1913 Webster]