Meaning of Muscovite

Mus•co•vite

1. a native or inhabitant of Moscow.
2. a native or inhabitant of the Grand Duchy of Muscovy.
3. (l.c.)common light-colored mica, essentially KAlSiO(OH), used as an electrical insulator.
4. a Russian.

1. of, pertaining to, or characteristic of Moscow, Muscovy, or the Muscovites.