English Explanatory Dictionary

nullity

English dictionary entry

Meanings

noun
  1. The state of being null, or void, or invalid.
  2. A void act; a defective proceeding or one expressly declared by statute to be a nullity.
  3. The dimension of the kernel of a linear transformation; the dimension of the nullspace of a matrix.

Pronunciation

LL-Q1860 (eng)-Vealhurl-nullity.wav

Word forms

nullity nullities

Etymology

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

Derived words

decree of nullity rank-nullity theorem
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