univalent

(not comparable)Having an atomic valence of 1, or having only one valence.

having a valence of 1

(not comparable)Having a vaccine valence of 1.

(not comparable)Of, or relating to, a chromosome that is not paired with its homologous chromosome during synapsis.

used of a chromosome that is not paired or united with its homologous chromosome during synapsis

(not comparable)(Holomorphic and) injective.