单词 | gram atom |
释义 | gram atom in British English or gram-atomic weight noun an amount of an element equal to its atomic weight expressed in grams: now replaced by the mole mole4gram atom in American English Chemistry the quantity of an element having a weight in grams numerically equal to the element's atomicweight: a gram atom of copper, the atomic weight of which is 63.54, is a quantity of copper weighing 63.54 grams : also ˈgram-aˈtomic weight (ˈgræməˈtɑmɪk) |
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