English dictionary
Info: This web site is based on WordNet 3.0 from Princeton University.
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: .
2026 onlineordbog.dk
Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk