Standard atomic weight

atomic mass

The mass of an atom, usually expressed in atomic mass units.

atomic mass

n Chem

1. (Chemistry) the mass of an isotope of an element in atomic mass units

2. (Chemistry) short for relative atomic mass; see atomic weight

atomic mass

The mass of a given atom or molecule, expressed in atomic mass units. Compare atomic weight. See also mass number.

ThesaurusLegend: Synonyms Related Words Antonyms

Noun

atomic mass - (chemistry) the mass of an atom of a chemical element expressed in atomic mass units

atomic weight, relative atomic mass

mass - the property of a body that causes it to have weight in a gravitational field

combining weight, eq, equivalent weight, equivalent - the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen

meq, milliequivalent - one-thousandth of an equivalent

chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

Translations

atomic mass n (Chem) → massa atomica

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