gram-atomic weight is a noun meaning "the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element". It carries one recorded sense.
the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element
Definitions, synonyms and semantic relations for gram-atomic weight come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.