Muscovite Definition

Muscovite
noun

1. A citizen or inhabitant of, or person born in, Moscow, capital of the Russian Federation.

adj

1. Belonging or relating to Moscow, or its inhabitants.

Etymology: 16c: from Muscovy, an old French name for Russia, from Latin Moscovia.

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muscovite
noun

1. geol.
A colourless silvery-grey, or pale brown, heat-resistant mineral of the mica group, used as an electrical and heat insulator, as a filler in paint, in wallpaper manufacture and roofing materials, etc.

Etymology: 19c: from Muscovy glass, from Muscovy an old French name for Russia.