Meaning of NEPTUNIUM
| Pronunciation: | | nep'tooneeum
|
|
|
| |
 WordNet Dictionary |
| |
| | Definition: | |
[n] a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium |
| |
NEPTUNIUM is a 9 letter word that starts with N. |
| | Synonyms: | | atomic number 93, Np |
| |
| | See Also: | | metal, metallic element | |
| Webster's 1913 Dictionary |
| |
| | Definition: | | \Nep*tu"ni*um\, n. [NL.]
A new metallic element, of doubtful genuineness and uncertain
indentification, said to exist in certain minerals, as
columbite.
|
| |
|
|