avogadro's number

Definition of Avogadro's Number in English :

1. avogadro number, avogadro's number

the number of molecules in a mole of a substance (approximately 602,250,000,000,000,000,000,000)

WordNet Lexical Database for English. Princeton University. 2010.

Avogadro's Number

noun

physics

the number of atoms or molecules in a mole of a substance

the number of molecules contained in one mole (molecular weight in grams) of a substance, equal to 6.022137 × 1023

symbol, N, NA, or L: often Avogadro's number

n.

The number of items in a mole, approximately 6.0221 × 10²³. Also called Avogadro constant.