/ Thesaurus / G Synonyms of gram molecule Find synonyms for: Noun1. gram molecule, mole, mol, metric weight unit, weight unitusage: the molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'UnitesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dispel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language