atomic mass
English
editNoun
editatomic mass (countable and uncountable, plural atomic masses)
- The mass of an atom.
- (proscribed) atomic weight; the average mass of atoms of an element.
Usage notes
editAtomic mass may be measured in absolute terms, or, commonly, as a sum of the number of protons and neutrons in the nucleus.
Derived terms
editRelated terms
editTranslations
editmass of an atom
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