muscovite definition | Dictionary.com

Mus⋅co⋅vite

[muhs-kuh-vahyt]

–noun

1.	a native or inhabitant of Moscow.

2.	a native or inhabitant of the Grand Duchy of Muscovy.

3.	Also called white mica. (lowercase) Mineralogy. common light-colored mica, essentially KAl₃Si₃O₁ ₀(OH)₂, used as an electrical insulator.

4.	Archaic. a Russian.

–adjective

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

Origin:
1545–55; Muscov(y) + -ite ¹

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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mus·co·vite (mŭs'kə-vīt') Pronunciation Key
n. A potassium aluminum silicate mineral, KAl₂(AlSi₃O₁₀)(OH)₂, the most common form of mica, which ranges from colorless or pale yellow to gray and brown, has a pearly luster, and is used as an insulator. Also called white mica.

[Muscovy glass, its former name + -ite¹.]

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Mus·co·vite   (mŭs'kə-vīt') Pronunciation Key
n.   A native or resident of Moscow or Muscovy.
adj.   Of or relating to Moscow, Muscovy, or the Muscovites.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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muscovite
adjective
1.	of or relating to the residents of Moscow; "Muscovite street dealers"
noun
1.	a colorless or pale brown mica with potassium
2.	a resident of Moscow

WordNet® 3.0, © 2006 by Princeton University.
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muscovite (mŭs'kə-vīt') Pronunciation Key
A usually colorless to yellow or pale-gray mica. Muscovite is a monoclinic mineral and is found in igneous rocks, such as granites and pegmatites, metamorphic rocks, such as schists and gneisses, and in many sedimentary rocks. Chemical formula: KAl₂(AlSi₃)O₁₀(OH)₂.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Muscovite

Mus"co*vite\, n. [See Muscovy glass.]

1. A native or inhabitant of Muscovy or ancient Russia; hence, a Russian.

2. (Min.) Common potash mica. See Mica.