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thorite

[thawr-ahyt, thohr-] /ˈθɔr aɪt, ˈθoʊr-/
noun
1.
a rare mineral, thorium silicate, ThSiO 4 , occurring in the form of yellow or black crystals.
Origin of thorite
1825-1835
1825-35; thor- (as in thoria, thorium) + -ite1, modeled on Swedish thorit
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for thorite
Historical Examples
  • Determinations of the atomic weight of lead from thorite, a thorium mineral nearly free from uranium, gave 208.4.

    A Brief Account of Radio-activity Francis Preston Venable
British Dictionary definitions for thorite

thorite

/ˈθɔːraɪt/
noun
1.
a yellow, brownish, or black radioactive mineral consisting of tetragonal thorium silicate. It occurs in coarse granite and is a source of thorium. Formula: ThSiO4
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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10
9
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