| / English Dictionary |
MASS NUMBER
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The sum of the number of neutrons and protons in an atomic nucleus
Synonyms:
mass number; nucleon number
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("mass number" is a kind of...):
mass unit (a unit of measurement for mass)
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