uni-

1. a combining form occurring in loanwords from Latin (universe), used, with the meaning “one,” in the formation of compound words (unicycle).

combining form

1. consisting of, relating to, or having only oneunilateral; unisexual

word-forming element meaning “having one only,” from Latin uni-, comb. form of unus (see one). pref.

1. Single; one:univalent.