thoria

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

noun Chemistry.

a white, heavy, water-insoluble powder, ThO2, used chiefly in incandescent mantles, as the Welsbach gas mantle.

Nearby words

  1. thoreau, henry david,
  2. thoreauvian,
  3. thorez,
  4. thorez, maurice,
  5. thorfinn karlsefni,
  6. thorianite,
  7. thoric,
  8. thorite,
  9. thorium,
  10. thorium dioxide

Origin of thoria

First recorded in 1835–45; thori(um) + -a4

Also called thorium oxide, thorium dioxide.

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

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British Dictionary definitions for thoria

thoria

/ (ˈθɔːrɪə) /

noun

another name for thorium dioxide

Word Origin for thoria

C19: thorium + -a, on the model of magnesia

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