unary

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unary

/ˈjuːnəɹi/

Where it comes from

From Latin ūnus (“one”) + -ary, on the pattern of binary, ternary, etc.

adjective

not comparable Consisting of or involving a single element or component. Her work is a renunciation of the old narrative, a throwing away of the cotton reel, an enunciation of the unary signifier, fort, that is meaningless in itself.
not comparable 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 unaries

countable, uncountable The unary, or bijective base-1, numeral system.
countable, uncountable Unary coding, an entropy encoding for natural numbers.

Translations

Every language

adj consisting of or involving a single element or component

Português	unário
Deutsch	einstellig

adj mathematics, programming: of a function, to take one argument

Français	unaire
Deutsch	unär
Română	unar

noun Translations

Deutsch	Unärsystem
Italiano	sistema unario

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Cite this

MLA

"unary." Wiktionary, via Micwyn, micwyn.com/word/unary. Accessed 6 Nov. 2026.

APA

unary. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/unary

Chicago

"unary." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/unary.

BibTeX

@misc{unary_2026,
  title = {unary},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/unary},
  urldate = {2026-11-06}
}