atomic weight

Chem. the weight of one atom of an element expressed in atomic mass units: it is the average weight of all the isotopes of the element

See atomic weight in American Heritage Dictionary 4

noun

The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass units.

Learn more about atomic weight

atomic weight Culture

atomic weight medical definition

atomic weight science

atomic weight in a sentence

link/cite print suggestion box

More from YD