Thorite meaning

thôrīt
A vitreous brownish-yellow to black radioactive mineral, essentially ThSiO4 , an ore of thorium.
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A rare, usually dark, hard, radioactive mineral, thorium silicate, ThSiO4, that is usually hydrated.
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(mineralogy) A radioactive mineral, composed mostly of thorium silicate (ThSiO4), along with silicates of uranium and the rare earths.
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Origin of thorite

  • thor(ium) –ite

    From American Heritage Dictionary of the English Language, 5th Edition