Meaning of UNIVALENT in English

UNIVALENT

I. ˌyü-ni-ˈvā-lənt adjective

Date: 1868

1. : monovalent 1

2. : being a chromosomal univalent

II. noun

Date: 1912

: a chromosome that lacks a synaptic mate

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.