Meanings
proper nounaleph-null (uncountable)
- uncountablemathematicsThe first of the transfinite cardinal numbers; corresponds to the number of natural numbers.
Synonyms: aleph-naught, aleph-nought, aleph-zero, ℵ₀
Synonyms & antonyms
proper nounThe first of the transfinite cardinal numbers; corresponds to the number of natural numbers.
Similar
More synonyms by meaning
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From its mathematical symbol ℵ₀, from א, aleph, the first letter of the Hebrew alphabet.
Full word history & related roots →Translations
Chinese Mandarin 阿列夫零
- 阿列夫零 (ālièfū-líng)first of the transfinite cardinal numbers
Czech alef nula
- alef nulafirst of the transfinite cardinal numbers
Finnish alef-nolla
- alef-nollafirst of the transfinite cardinal numbers
Hebrew א׳ אֶפֶס
- א׳ אֶפֶס (álef éfes)first of the transfinite cardinal numbers
Hungarian alef-nulla
- alef-nullafirst of the transfinite cardinal numbers
Polish alef zero
- alef zerofirst of the transfinite cardinal numbers
Portuguese alef zero
- alef zerofirst of the transfinite cardinal numbers
Cite this entry
APA
aleph-null. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/aleph-null
MLA
“aleph-null.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/aleph-null. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “aleph-null,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/aleph-null.
Source: aleph-null on Wiktionary, CC BY-SA 4.0.