Atomic Weight Definition
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.
American Heritage
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.
Webster's New World
Attributive form of atomic weight.
Atomic-weight data.
Wiktionary
Synonyms:
Other Word Forms of Atomic Weight
Noun
Singular:
atomic weight
Plural:
atomic-weightsRelated Articles
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