
Dianium was the proposed name for a new element found by the mineralogist and poet Wolfgang Franz von Kobell in 1860. The name derived from the Roman goddess Diana. During the analysis of the mineral tantalite and niobite he concluded that it does contain an element similar to niobium and tantalum. Following the rediscovery of niobium in 1846 by t...
Found on
http://en.wikipedia.org/wiki/Dianium

• (n.) Same as Columbium.
Found on
http://thinkexist.com/dictionary/meaning/dianium/
Di·a'ni·um noun [ New Latin , from Latin
Diana ; either as the name of the Roman goddess, or from its use in Middle English as a name of silver.]
(Chemistry) Same as
Columbium . [ Obsolete]
Found on
http://www.encyclo.co.uk/webster/D/58
No exact match found.