Avogadro's number

Avo·ga·dro's number

noun \ˌa-və-ˈgä-(ˌ)drōz-, ˌa-və-, -ˈga-\

Definition of AVOGADRO'S NUMBER

: the number 6.022 × 10²³ indicating the number of atoms or molecules in a mole of any substance —called also Avogadro number

Origin of AVOGADRO'S NUMBER

Count Amedeo Avogadro

First Known Use: 1924

Avogadro's number

noun    (Medical Dictionary)

Medical Definition of AVOGADRO'S NUMBER

: the number 6.023 × 10²³ indicating the number of atoms or molecules in a mole of any substance—compare avogadro's law

Variants of AVOGADRO'S NUMBER

Avogadro's number or Avogadro number \-ˌgäd-(ˌ)rō-, -ˌgad-\ (audio pronunciation)

Avogadro's number

noun    (Concise Encyclopedia)

Number of units in one mole of any substance (defined as its molecular weight in grams), equal to 6.02214179 10²³. The units may be electrons, atoms, ions, or molecules, depending on the nature of the substance and the character of the reaction (if any). See also Avogadro's law; law of mass action; stoichiometry.