gram-atom

or gram atom

noun Chemistry.

the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element.
Also called gram-atomic mass, gram-a·tom·ic weight [gram-uh-tom-ik, -tom-] /ˈgræm əˈtɒm ɪk, -ˌtɒm-/.
Compare Avogadro's number.

Origin of gram-atom

First recorded in 1895–1900

Words nearby gram-atom

gram calorie, gram equivalent, gram molecule, gram's method, gram's solution, gram-atom, gram-centimeter, gram-ion, gram-meter, gram-molecular weight, gram-negative

British Dictionary definitions for gram atom

gram atom

gram-atomic weight

noun

an amount of an element equal to its atomic weight expressed in grams: now replaced by the mole See mole 4