uraninite : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: uraninite	by the DICT Development Group
2 results for uraninite
From WordNet (r) 3.0 (2006) [wn]:
uraninite n a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore Synonym(s): uraninite, pitchblende
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Uraninite \Uran"inite\, n. (Min.) A mineral consisting chiefly of uranium oxide with some lead, thorium, etc., occurring in black octahedrons, also in masses with a pitchlike luster; pitchblende.