micas
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pluralof mica.plural
The grammatical form denoting more than one person, place, thing, or idea.
micanounany member of a group of minerals, hydrous silicates of aluminum with other bases, chiefly potassium, magnesium, iron, and lithium, that separate readily into thin, tough, often transparent, and usually elastic laminae; isinglass.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Two frequently found micas are dark-colored biotite, frequently found in granite, and light-colored muscovite, found in the metamorphic rock called schist.
From Textbooks ● Jan. 1, 2017
Muscovite micas belong to the felsic silicate minerals.
From Textbooks ● Jan. 1, 2017
Most gneiss has little or no mica because it forms at temperatures higher than those under which micas are stable.
From Textbooks ● Jan. 1, 2015
At 15 km to 20 km, larger micas form to produce schist, and at 20 km to 25 km amphibole, feldspar, and quartz form to produce gneiss.
From Textbooks ● Jan. 1, 2015
And a few appeared embossed with wounds, covered with black mercurial hog lard, with green unguents of belladonna smeared with grains of dust and the yellow micas of iodoforme.
From Against the Grain by J.-K. (Joris-Karl) Huysmans