nullity

English

Etymology

From Middle French nullité, from Medieval Latin nullitas, from Latin nullus.

Pronunciation

• Audio (Southern England):

  (file)

Noun

nullity (countable and uncountable, plural nullities)

1. The state of being null, or void, or invalid.

   nullity of marriage

2. (law) A void act; a defective proceeding or one expressly declared by statute to be a nullity.
3. (mathematics) The difference between the rank of a matrix and the number of columns it has; the dimension of the nullspace of a matrix.

Derived terms

• decree of nullity
• rank-nullity theorem

Translations

the state of being null, or void, or invalid

• Bulgarian: невалидност (bg) f (nevalidnost)
• French: nullité (fr) f
• Hungarian: semmisség (hu), érvénytelenség (hu)

the dimension of the nullspace of a matrix

• Hungarian: nullitás (hu)