English dictionary
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English noun: mass number | |||
| 1. | mass number (quantity) the sum of the number of neutrons and protons in an atomic nucleus | ||
| Synonyms | nucleon number | ||
| Broader (hypernym) | mass unit | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk