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thorite n. 釷礦,硅酸釷礦 釷礦,矽酸釷礦 thorite n 1: a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite Thorite \Tho"rite\, n. [So called by Berzelius from the
Scandinavian god Thor. See {Thor}.] (Min.) A mineral of a brown to black color, or, as in the variety orangite, orange-yellow. It is essentially a silicate of thorium. [1913 Webster]
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