Silvanium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Sylvanium \Syl*va"ni*um\, n. [NL., so called from Transylvania,
     where it was first found.] (Chem.)
     An old name for tellurium. [Written also {silvanium}.]
     [1913 Webster]