English dictionary
Hint: With the Firefox addon you can search this dictionary from the browsers search field.
English noun: neptunium | |||
| 1. | neptunium (substance) a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium | ||
| Synonyms | atomic number 93, Np | ||
| Broader (hypernym) | metal, metallic element | ||
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