thorianite

[ thawr-ee-uh-nahyt, thohr- ]
/ ˈθɔr i əˌnaɪt, ˈθoʊr- /
|

noun

a rare mineral, mainly thoria, ThO2, but also containing uranium, cerium, and other rare-earth metals, occurring in small, black, cubic crystals: notable for its radioactivity and used as a minor source of thorium.

Nearby words

  1. thoreauvian,
  2. thorez,
  3. thorez, maurice,
  4. thorfinn karlsefni,
  5. thoria,
  6. thoric,
  7. thorite,
  8. thorium,
  9. thorium dioxide,
  10. thorium series

Origin of thorianite

1900–05; thorian (thori(a) + -an) + -ite1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for thorianite

thorianite

/ (ˈθɔːrɪəˌnaɪt) /

noun

a rare black mineral consisting of thorium and uranium oxides. Formula: ThO 2 .U 3 O 8
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