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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 tho·rite /ˈθorˌaɪt, ˈθɔr-/
 釷礦,矽酸釷礦

From: Webster's Revised Unabridged Dictionary (1913)

 Tho·rite n.  Min. A mineral of a brown to black color, or, as in the variety orangite, orange-yellow. It is essentially a silicate of thorium.
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From: WordNet (r) 2.0

 thorite
      n : a radioactive mineral consisting of thorium silicate; it is
          a source of thorium that is found in coarse granite