cardinality

/K AA1 R D AH0 N AE1 L IH0 T IY0/
noun
  1. 1

    (of a set) The number of elements a given set contains.

    โ€œThe empty set has a cardinality of zero.โ€

  2. 2

    The property of a relationship between a database table and another one, specifying whether it is one-to-one, one-to-many, many-to-one, or many-to-many.

  3. 3

    The status of a cardinal.

Synonyms

Source: https://en.wiktionary.org/wiki/cardinality