Nullity

noun

Definitions

Noun
  1. 1
    The state of being null, or void, or invalid. countable, uncountable

    "nullity of marriage"

  2. 2
    something that is null (especially an enactment that has no legal validity) wordnet
  3. 3
    A void act; a defective proceeding or one expressly declared by statute to be a nullity. countable, uncountable
  4. 4
    the state of nonexistence wordnet
  5. 5
    The dimension of the kernel of a linear transformation; the dimension of the nullspace of a matrix. countable, uncountable

Etymology

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

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