cardinality
/kɑɹdɪˈnælɪti/
Word Rarity
Very rare
Frequency: Zipf frequency 2.31 in modern English
17
Scrabble Score
11
Letters
5
Syllables
9
Unique Chars
Meaning
noun
The number of terms that can inhabit a type; the possible values of a type.
Countable; Uncountable
noun
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.
Countable; Uncountable
Example Sentences
- "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."
- "Clearly, in this example, the sensitivity to the cardinalities takes the weaker form F#91;M(A)#93;#61;#92;overset#123;#61;#125;#123;A#125; of a single-valued function from the measure to the cardinality rather than the stronger form M(A)#61;f(#92;overset#123;#61;#125;#123;A#125;) of a function from the cardinality to the measure."
- "For many types, such as String, the set of possible values is unlimited. Such types have an infinite cardinality."
Etymology
Etymology tree Latin cardō Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālis Latin cardinālisder. Middle French cardinalbor. English cardinal Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English cardinality From cardinal + -ity.
Regional Pronunciation
- American English: /kɑɹdɪˈnælɪti/
- British English: /kɑːdɪˈnælɪti/