thorogummite

noun

tho·​ro·​gummite

ˌthōrəˈgəˌmīt,

ˌthȯr-

: a decomposition mineral approximately Th₂(UO₂)Si₃O₁₁.3H₂O that is a hydrous silicate of thorium and uranium

Word History

Etymology

thorium + -o- + gummite

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