thoria

noun
tho·​ria | \ ˈthȯr-ē-ə How to pronounce thoria (audio) \

Definition of thoria

: a powdery white oxide of thorium ThO2 used especially as a catalyst and in crucibles and refractories and optical glass

First Known Use of thoria

circa 1841, in the meaning defined above

History and Etymology for thoria

New Latin, from thorium + -a

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Time Traveler for thoria

Time Traveler

The first known use of thoria was circa 1841

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Dictionary Entries Near thoria

thoreaulite

thoria

thorianite

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Cite this Entry

“Thoria.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thoria. Accessed 6 Dec. 2021.

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