- an amount of an element equal to its atomic weight expressed in grams: now replaced by the mole
See mole4
WordReference Random House Unabridged Dictionary of American English © 2026
gram′ at′om, [Chem.]
- 1895–1900
Collins Concise English Dictionary © HarperCollins Publishers::
gram atom, gram-atomic weight n
'gram atom' also found in these entries (note: many are not synonyms or translations):