biotite

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bi·o·tite

 (bī′ə-tīt′)
n.
A dark-brown or dark-green to black mica, K(Mg,Fe)3(Al,Fe)Si3O10(OH)2, found in igneous and metamorphic rocks.

[After Jean Baptiste Biot (1774-1862), French physicist.]

bi′o·tit′ic (-tĭt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

biotite

(ˈbaɪəˌtaɪt)
n
(Minerals) a black or dark green mineral of the mica group, found in igneous and metamorphic rocks. Composition: hydrous magnesium iron potassium aluminium silicate. Formula: K(Mg,Fe)3(Al,Fe)Si3O10(OH)2. Crystal structure: monoclinic
biotitic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

bi•o•tite

(ˈbaɪ əˌtaɪt)

n.
a mica occurring in black, dark brown, or dark green sheets and flakes: an important constituent of igneous and metamorphic rocks.
[1860–65; after J. B. Biot (1774–1862), French mineralogist; see -ite 1]
bi`o•tit′ic (-ˈtɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

bi·o·tite

(bī′ə-tīt′)
A dark-brown to black mica found in igneous and metamorphic rocks.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.biotite - dark brown to black mica found in igneous and metamorphic rock
lepidomelane - a mica that is a biotite containing iron
isinglass, mica - any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Available with Jet Black Mica, Ceramic Metallic or Soul Red Crystal Metallic paint as standard, the GT Sport Nav+ is identifiable against other CX-3s by its matt silver trim and bright silver wing mirror covers.
The Toyota RAV4 LTD in Attitude Black Mica, which is as sleek and as professional as they are, is a definite fit for these savvy heavy-hitters.
The new Strada is available in seven exterior colors: White Diamond, Graphite Gray Metallic, Sterling Silver Metallic, Jet Black Mica, Red Solid Clear, Grayish Brown Metallic and Impulse Blue Metallic.
It is available in seven exterior colours, White Diamond, Graphite Gray Metallic, Sterling Silver Metallic, Jet Black Mica, Red Solid Clear, Grayish Brown Metallic and Impulse Blue Metallic.
The Camry is offered in V and G trim levels with Platinum White Pearl (+P15,000), Attitude Black Mica, and Thermalyte.
Paint finish is Cosmic Black mica and the roof bars, side steps, radiator grille, fog light surrounds, rear bumper trim, badges, door mirrors and handles are all painted black.
The icing on the cake is a choice of Dynamic Blue Mica, Snowflake White Pearlescent or Jet Black Mica paint, which would normally cost about PS300 alone.
The car is offered with the choice of free-of-charge snowflake white pearlescent or black mica paint.
On sale from September 1 the car is offered with the choice of free-of-charge Snowflake White Pearlescent or Black Mica paint.
With free-of-charge Snowflake White Pearlescent or Black Mica paint - buyers can enhance the styling further by adding optional Dark Gunmetal 15-inch alloy wheels, helping to set apart the special model.
Unique inside and out, the newcomer is offered with a choice of Snowflake White Pearlescent or Black Mica paint with Soul Red accents on the wing mirror covers, rear spoiler and rear underskirt.