Unary

Origin

Late Latin unarius ("consisting of a single thing"), from unus ("one").

Full definition of unary

Adjective

1. Consisting of or involving a single element or component.
2. (mathematics, programming, computer engineering) Of an operation, function, procedure, or logic gate, taking exactly one operand, argument, parameter, or input; having domain of dimension 1.Negation is a unary operation.

Noun

1. (mathematics) The unary numeral system; the bijective base-1 numeral system.
2. (information theory) Unary coding, an entropy encoding for natural numbers.

Coordinate terms

• binary
• ternary