arity.
The number of arguments or operands a function or operation takes. For a relation, the number of domains in the corresponding Cartesian product.
Meaning & usage
The number of arguments or operands a function or operation takes. For a relation, the number of domains in the corresponding Cartesian product.
The maximum number of child nodes that any node in a given tree (data structure) may have.
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).
Where this word comes from
From -ary (taken from unary/binary/ternary [function/operator]) + -ity. Compare adicity and adinity.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.