Meaning of UNARY in English

UNARY

I. ˈyünərē adjective

Etymology: Latin un us one + English -ary, adjective suffix — more at one

1. : occurring as molecules of only one kind

2. : containing only one component — used of a physical-chemical system

II. adjective

: having or consisting of a single element, item, or component : monadic

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.