What is the meaning of thorium-228?

noun

  • Radioactive isotope of thorium with mass number 228.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). thorium-228. Retrieved September 21, 2026, from http://smartdefine.org/thorium-228/definitions/1247705
ChicagoWordNet. 2010. "thorium-228" http://smartdefine.org/thorium-228/definitions/1247705 (accessed September 21, 2026).
HarvardWordNet 2010, thorium-228, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/thorium-228/definitions/1247705>.
MLAWordNet. "thorium-228" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/thorium-228/definitions/1247705>