gram atom gram • gram calorie · · · Info · Definitions · Synonyms · Characters · · gram atom · · Text Common · · Latin · · Scripts 9 · · Length 3 · · Syllables Definitions · · · (noun) the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element. Synonyms: gram atom, gram-atomic weight. · · Noun Definition 1 Synonyms · · · gram-atomic weight · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 g latin small letter g U+0067 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074