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
Cite this Entry
“Thorianite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thorianite. Accessed 5 Jul. 2025.
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