cardinality

Plural: cardinalities

Noun

• (mathematics) the number of elements in a set or group (considered as a property of that grouping)
• The number of elements a given set contains.
• The number of terms that can inhabit a type; the possible values of a type.
• 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.
• The status of being cardinalitial

Examples

• The empty set has a cardinality of zero.

Synonyms

power

Related Words

aleph, cardinal, cardinal number, multiplicity