/ Thesaurus / A Synonyms of avogadro's number Find synonyms for: Noun1. Avogadro's number, Avogadro number, constantusage: the number of molecules in a mole of a substance (approximately 602,250,000,000,000,000,000,000)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language