What is the meaning of thorium?

noun

  • 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.
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APAWordNet. (2010). Thorium. Retrieved September 20, 2026, from http://smartdefine.org/thorium/definitions/1247704
ChicagoWordNet. 2010. "Thorium" http://smartdefine.org/thorium/definitions/1247704 (accessed September 20, 2026).
HarvardWordNet 2010, Thorium, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/thorium/definitions/1247704>.
MLAWordNet. "Thorium" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/thorium/definitions/1247704>
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