Wasium
Pronunciation : Wa"si*um
Part of Speech : n.
Etymology : [NL. So called from Wasa, or Vasa, the name of a former royal family of Sweden.] (Chem.)
Definition : Defn: A rare element supposed by Bahr to have been extracted from wasite, but now identified with thorium.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder