arity

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arity

/ˈæɹɪti/
/ˈeəɹɪti/

Rhymes with -æɹɪti

Where it comes from

From -ary (taken from unary/binary/ternary [function/operator]) + -ity. Compare adicity and adinity.

noun arities

countable, uncountable The number of arguments or operands a function or operation takes. For a relation, the number of domains in the corresponding Cartesian product.
countable, uncountable The maximum number of child nodes that any node in a given tree (data structure) may have.
Lojban, countable, uncountable the number of arguments (in Lojban grammar called sumti) specified in the definition of a selbri. (the selbri combined with the sumti make up a bridi).

Similar: adinity, adicity, type, rank

Thesaurus

noun

Similar: adinity, adicity, type, rank

Translations

Every language

noun number of arguments

Español	aridad
中文	元数 yuánshù
Português	aridade
Français	arité
Deutsch	Stelligkeit
Ελληνικά	βαθμός vathmós, τάξη táxi
Русский	а́рность árnostʹ, число́ опера́ндов čisló operándov, число́ аргуме́нтов čisló arguméntov

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MLA

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

APA

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

Chicago

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

BibTeX

@misc{arity_2026,
  title = {arity},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/arity},
  urldate = {2026-11-06}
}