mica

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mica

[mī′kə]
an aluminum silicate mineral that occurs in thin laminated scales. Mica is used in paints, plastics, fire protection boards, pigments, and other industrial materials. It is used also as an electric insulator and lubricant.

mi·ca

(mī'kă)
A silicate mineral with almost perfect cleavage that occurs in thin laminated scales. It is used in paints and as an insulator in high-voltage equipment. Because of its heat resistance, it is used instead of glass in windows for stoves and kerosene heaters.
[L. mico, to shine]

mica

(mī′kă) [L. mica, morsel, crumb]
A mineral composed of various silicates of metals. It occurs in thin, laminated scales.
micaceous (mī-kā′shŭs), adjective

mica

a heat-resistant transparent mineral found in large glass-like sheets and used in windows of furnaces; may have a high content of fluorine but seems unlikely to affect animals.