gram molecule gram-molecular • Grammontine · · · Info · Definitions · Synonyms · Characters · · gram molecule · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) the molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'Unites. Synonyms: gram molecule, mole, mol. · · Noun Definition 1 Synonyms · · · mole · · Synonym 1 mol · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075