nullity.
The state of being null, or void, or invalid.
Meaning & usage
The state of being null, or void, or invalid.
A void act; a defective proceeding or one expressly declared by statute to be a nullity.
The dimension of the kernel of a linear transformation; the dimension of the nullspace of a matrix.
Where this word comes from
From Middle French nullité and its etymon Medieval Latin nūllitās, from Latin nūllus. By surface analysis, null + -ity.
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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.