Avogadro constant

proper noun

The number of atoms present in 12 grams of isotopically pure carbon-12, being 6.02214076 × 10²³. By definition, the number of elementary entities (atoms or molecules) comprising one mole of a given substance.

Similar
Avogadro's constantAvogadro's number
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Meanings

proper noun
  1. physicalchemistryThe number of atoms present in 12 grams of isotopically pure carbon-12, being 6.02214076 × 10²³. By definition, the number of elementary entities (atoms or molecules) comprising one mole of a given substance.

    Synonyms: Avogadro's constant, Avogadro's number

Synonyms & antonyms

proper nounThe number of atoms present in 12 grams of isotopically pure carbon-12, being 6.02214076 × 10²³. By definition, the number of elementary entities (atoms or molecules) comprising one mole of a given substance.

Similar
Avogadro's constantAvogadro's number
Also see
avogadro's number

Origin

Named after Italian physicist Amedeo Avogadro (1776–1856).

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Cite this entry
APA

Avogadro constant. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Avogadro%20constant

MLA

“Avogadro constant.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Avogadro%20constant. Accessed November 4, 2026.

Chicago

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

Source: Avogadro constant on Wiktionary, CC BY-SA 4.0.