cardinality

noun
/kɑːdɪˈnælɪti/UK/kɑɹdɪˈnælɪti/US

Etymology

From cardinal + -ity.

  1. derived from cardinālis
  2. derived from cardinal
  3. borrowed from Cardinal
  4. suffixed as cardinality — “cardinal + ity

Definitions

  1. The number of elements a given set contains.

    • The empty set has a cardinality of zero.
    • The cardinality of a set A is the least ordinal α such that there exists a bijection between A and α. We sometimes use the notation #92;alpha#61;#124;A#124; to indicate this.
    • For fuzzy sets, the concept of set size or cardinality is both richer and more problematic than it is for crisp sets. It is richer because, as we shall see, we may use more than one kind of cardinality.
  2. The number of terms that can inhabit a type

    The number of terms that can inhabit a type; the possible values of a type.

    • For many types, such as String, the set of possible values is unlimited. Such types have an infinite cardinality.
  3. The property of a relationship between a database table and another one, specifying…

    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.

  4. + 1 more definition
    1. The status of being cardinalitial

The neighborhood

Vish — recursive loop

No curated loop yet for cardinality. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA