atomic mass
Appearance
English
[edit]Noun
[edit]atomic 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
[edit]Atomic mass may be measured in absolute terms, or, commonly, as a sum of the number of protons and neutrons in the nucleus.
Derived terms
[edit]Related terms
[edit]Translations
[edit]mass of an atom
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