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pharmacolite

American

[fahr-mak-uh-lahyt, fahr-muh-kuh-] / fɑrˈmæk əˌlaɪt, ˈfɑr mə kə- /

noun

hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.

1795–1805; pharmaco- + -lite; modeled on German Pharmakolith

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023