Euler's number

proper noun

The mathematical constant e, the base of the natural logarithm; an irrational, transcendental number approximately equal to 2.71828.

Similar
Napier's constant
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Meanings

proper noun
  1. mathematicsThe mathematical constant e, the base of the natural logarithm; an irrational, transcendental number approximately equal to 2.71828.

    Synonyms: Napier's constant

Synonyms & antonyms

proper nounThe mathematical constant e, the base of the natural logarithm; an irrational, transcendental number approximately equal to 2.71828.

Similar
Napier's constant

Origin

Named after Swiss mathematician Leonhard Euler (1707–1783), who did, however, not discover it, although he likely gave the constant its modern symbol e.

Full word history & related roots →

Translations

Bulgarian Не́перово число́, О́йлерово число́
  • Не́перово число́ (Néperovo čisló)the mathematical constant e
  • О́йлерово число́ (Ójlerovo čisló)the mathematical constant e
Finnish Neperin luku
  • Neperin lukuthe mathematical constant e
German Eulersche Zahl
  • Eulersche Zahlthe mathematical constant e
Japanese ネイピア数
  • ネイピア数 (Neipia-sū)the mathematical constant e
Portuguese número de Neper, número de Euler
  • número de Neperthe mathematical constant e
  • número de Eulerthe mathematical constant e
Cite this entry
APA

Euler's number. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Euler's%20number

MLA

“Euler's number.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Euler's%20number. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Euler's number,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Euler's%20number.

Source: Euler's number on Wiktionary, CC BY-SA 4.0.