| Engelsk navneord: atomic number 93 | |||
| 1. | atomic number 93 (om masse el. substans) a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium | ||
| Termer med samme betydning (synonymer) | neptunium, Np | ||
| Mindre specifikke termer | metal, metallic element | ||