gram atom grain weigher • gram calorie · · · Info · Definitions · Synonyms · Characters · · gram atom · · Text Common · · Latin · · Scripts 9 · · Length Definitions · · · (noun) the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element. Synonyms: gram-atomic weight. · · Noun Definition 1 Synonyms · · · gram · · Synonym 1 gramme · · Synonym 2 gm · · Synonym 3 g · · Synonym 4 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