Meaning of UNIVALENT in English

UNIVALENT

adj. & n.

--adj.

1. Chem. having a valency of one.

2 Biol. (of a chromosome) remaining unpaired during meiosis.

--n. Biol. a univalent chromosome.

Etymology: UNI- + valent- pres. part. stem (as VALENCE(1))

Oxford English vocab.      Оксфордский английский словарь.