plural -s
: a mineral (Cu,Tl,Ag)2Se consisting of selenide of copper, thallium, and silver occurring in lead-gray metallic-looking masses (specific gravity 6.9)

Word History


French, from Sir Wm. Crookes + French -ite

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Dictionary Entries Near crookesite

Cite this Entry

“Crookesite.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

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