(noun, adjective)


1. consisting of or involving a single element or component

- in a unary operation in a mathematical system one element is used to yield a single result

Similar word(s): single

Sentences with unary as an adjective:

- Negation is a unary operation.


1. (mathematics) The unary numeral system; the bijective base-1 numeral system.

2. (information theory) Unary coding, an entropy encoding for natural numbers.