Word.ws English Dictionary

aleph-null

aleph-null proper noun: the first of the transfinite cardinal numbers; corresponds to the number of natural numbers.

Proper noun

aleph-null (uncountable)

  1. The first of the transfinite cardinal numbers; corresponds to the number of natural numbers.

Synonyms of aleph-null

Origin of aleph-null

From its mathematical symbol ℵ₀, from א, aleph, the first letter of the Hebrew alphabet.

Questions about aleph-null

What does aleph-null mean?
Aleph-null means the first of the transfinite cardinal numbers; corresponds to the number of natural numbers.
What part of speech is aleph-null?
Aleph-null is a proper noun.

Words near aleph-null in the dictionary

  1. aleph-beth
  2. aleph-beths
  3. aleph-bets
  4. aleph-naught
  5. aleph-nought
  6. aleph-null
  7. aleph-one
  8. aleph-zero
  9. alephbet
  10. alephbets
  11. alephs

Source and license

Adapted from Wiktionary: aleph-null (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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