thorianite

noun
tho·​ri·​a·​nite | \ ˈthȯr-ē-ə-ˌnīt How to pronounce thorianite (audio) \

Definition of thorianite

: a strongly radioactive mineral that is an oxide of thorium and often contains rare earth elements

First Known Use of thorianite

1904, in the meaning defined above

History and Etymology for thorianite

irregular from thoria

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Dictionary Entries near thorianite

Thoreau

thoreaulite

thoria

thorianite

thoriate

thoric

thoriferous

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Time Traveler for thorianite

The first known use of thorianite was in 1904

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More from Merriam-Webster on thorianite

Britannica.com: Encyclopedia article about thorianite

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