wasium

1 definition found

wasium - Collaborative International Dictionary of English v.0.48 :

  Wasium \Wa"si*um\, n. [NL. So called from Wasa, or Vasa, the
     name of a former royal family of Sweden.] (Chem.)
     A rare element supposed by Bahr to have been extracted from
     wasite, but now identified with thorium.
     [1913 Webster]