noun · 5 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/kɑːdɪˈnælɪti/
General-American:/kɑɹdɪˈnælɪti/
US:Recorded audio is listed in the source snapshot.
1
noun
Meaning 1
The number of elements a given set contains.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: mathematics, sciences, set-theory
Examples
The empty set has a cardinality of zero.
Meaning relationships
Synonyms: power
Antonyms: none provided
2
noun
Meaning 2
The number of terms that can inhabit a type; the possible values of a type.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Qualifier: type theory
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
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.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
The status of being cardinalitial
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: lifestyle, religion
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
(mathematics) the number of elements in a set or group (considered as a property of that grouping)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: number
History
Etymology
Etymology tree Latin cardō Proto-Indo-European *h2el-der.? 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.
Across languages
Translations
55 source translations are retained for this English entry.
Armenian:
հզորություն
(hzorutʻyun)
— (set theory) number of elements a given set contains
Bulgarian:
кардиналност
(kardinalnost)
— (set theory) number of elements a given set contains
Chinese Mandarin:
勢 /势
(shì)
— (set theory) number of elements a given set contains
Czech:
mohutnost
— (set theory) number of elements a given set contains
Czech:
kardinalita
— (set theory) number of elements a given set contains
Danish:
mægtighed
— (set theory) number of elements a given set contains
Danish:
kardinalitet
— (set theory) number of elements a given set contains
Dutch:
kardinaliteit
— (set theory) number of elements a given set contains
Estonian:
võimsus
— (set theory) number of elements a given set contains
Finnish:
mahtavuus
— (set theory) number of elements a given set contains
French:
cardinalité
— (set theory) number of elements a given set contains
German:
Mächtigkeit
— (set theory) number of elements a given set contains
German:
Kardinalität
— (set theory) number of elements a given set contains
Greek:
πληθάριθμος
(plithárithmos)
— (set theory) number of elements a given set contains
Hebrew:
עָצְמָה
— (set theory) number of elements a given set contains
Hindi:
प्रमुखता
(pramukhtā)
— (set theory) number of elements a given set contains
Hungarian:
számosság
— (set theory) number of elements a given set contains
Icelandic:
fjöldatala
— (set theory) number of elements a given set contains
Irish:
bunuimhreacht
— (set theory) number of elements a given set contains
Italian:
cardinalità
— (set theory) number of elements a given set contains
Italian:
numerosità
— (set theory) number of elements a given set contains
Italian:
potenza
— (set theory) number of elements a given set contains
Japanese:
濃度
(nōdo)
— (set theory) number of elements a given set contains
Kazakh:
жиын қуаты
(jiyn quaty)
— (set theory) number of elements a given set contains
Korean:
집합의 크기
(jiphabui keugi)
— (set theory) number of elements a given set contains
Korean:
농도
(nongdo)
— (set theory) number of elements a given set contains
Macedonian:
моќност
(moḱnost)
— (set theory) number of elements a given set contains
Norwegian Bokmål:
kardinalitet
— (set theory) number of elements a given set contains
Polish:
liczebność
— (set theory) number of elements a given set contains
Polish:
moc
— (set theory) number of elements a given set contains
Polish:
kardynalność
— (set theory) number of elements a given set contains
Portuguese:
cardinalidade
— (set theory) number of elements a given set contains
Romanian:
cardinalitate
— (set theory) number of elements a given set contains
Romanian:
mărime (potențială)
— (set theory) number of elements a given set contains
Russian:
мо́щность
— (set theory) number of elements a given set contains
Slovak:
mohutnosť
— (set theory) number of elements a given set contains
Slovene:
moč množice
— (set theory) number of elements a given set contains
Spanish:
cardinalidad
— (set theory) number of elements a given set contains
Swedish:
kardinalitet
— (set theory) number of elements a given set contains
Tamil:
எண் அளவை
(eṇ aḷavai)
— (set theory) number of elements a given set contains
Thai:
ภาวะเชิงการนับ
(p̣hāwa cheing kār nạb)
— (set theory) number of elements a given set contains
Ukrainian:
потужність
(potužnistʹ)
— (set theory) number of elements a given set contains
Vietnamese:
lực lượng
— (set theory) number of elements a given set contains
Vietnamese:
lực lượng của một tập hợp
— (set theory) number of elements a given set contains
Bulgarian:
кардиналност
(kardinalnost)
— (type theory) number of terms that can inhabit a type
Polish:
liczebność
— (type theory) number of terms that can inhabit a type
Polish:
moc
— (type theory) number of terms that can inhabit a type
Polish:
kardynalność
— (type theory) number of terms that can inhabit a type
Bulgarian:
кардиналност
(kardinalnost)
— (data modeling) property of a relationship between a database table and another one
French:
cardinalité
— (data modeling) property of a relationship between a database table and another one
Polish:
liczebność
— (data modeling) property of a relationship between a database table and another one
Polish:
moc
— (data modeling) property of a relationship between a database table and another one
Polish:
kardynalność
— (data modeling) property of a relationship between a database table and another one
French:
cardinalité
— (religion) status of being cardinalitial
Polish:
kardynalność
— (religion) status of being cardinalitial