Main Entry: mus·co·vite

Pronunciation: \ˈməs-kə-ˌvīt\

Function: noun

Etymology: Medieval Latin or New Latin Muscovia, Moscovia Moscow

Date: 1535

1 capitalized a : a native or resident of the ancient principality of Moscow or of the city of Moscow b : russian
2 [muscovy (glass)] : a colorless to pale brown form of mica consisting of a silicate of aluminum and potassium

— Muscovite adjective