thorianite

noun

tho·ri·a·nite ˈthȯr-ē-ə-ˌnīt

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

Etymology

irregular from thoria

First Known Use

1904, in the meaning defined above

Time Traveler

The first known use of thorianite was in 1904

See more words from the same year

Style

“Thorianite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thorianite. Accessed 3 Feb. 2023.

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