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Added 10 October 2026

nullity

noun

Latin root: nūllitās Wiktionary

noun Definition from Wiktionary (CC BY-SA). More about nullity at Wordnik → Where our words come from →

The state of being null, or void, or invalid.
nullity of marriage
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.

Origin

From Middle French nullité and its etymon Medieval Latin nūllitās, from Latin nūllus. By surface analysis, null + -ity.

From Wiktionary, via Kaikki.org (CC BY-SA)

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