thorite
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tho·rite
(thôr′īt′)n.
A vitreous brownish-yellow to black radioactive mineral, essentially ThSiO4, an ore of thorium.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
thorite
(ˈθɔːraɪt)n
(Minerals) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tho•rite
(ˈθɔr aɪt, ˈθoʊr-)n.
a rare radioactive mineral ore, thorium silicate, ThSiO4, occurring as grains and crystals.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun | 1. | thorite - a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite atomic number 90, thorium, Th - a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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