DICT.TW Dictionary Taiwan
3.142.252.87

Search for:
[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: WordNet (r) 2.0

 atomic number 93
      n : a radioactive transuranic metallic element; found in trace
          amounts in uranium ores; a by-product of the production
          of plutonium [syn: neptunium, Np]