mica

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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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The pair also flew over to South Korea to surprise Mica - and have been loving it so far.
For each of the named industrial applications, it is crucial that the particles of mica minerals are reduced in size.
In case of some naturally occuring true micas (polylithionite, tainiolite and celadonite) [Si.sup.4+] practically fills completely the tetrahedral positions, while in the majority of common mica species (muscovite, phlogopite) [Al.sup.3+] replaces [Si.sup.4+] in the ratio 1:3.
Wet-ground muscovite mica consists of tiny, extremely thin flakes of a potassium/ aluminum silicate crystal with traces of other elements.
The resulting strong electrostatic bond between the negatively, charged mica and the positively charged radium ions effectively locks the radium into place.
Muscovite mica products, including surface-treated, available for use in PP, HDPE, phenolic, epoxy, polyurethane, and polyurea (RRIM).
Offers a line of carbon blacks, silicas, clays, calcium carbonates, micas and bituminous coal.
A more expensive alternative to mica or wollastonite, use of glass mat and veil with a polyurethane RIM system can provide a Class A surface comparable to SMC with a 30% weight savings, Miles says (see PT, April '92, p.
Wet-ground muscovite mica consists of tiny, extremely thin flakes of a potassium /aluminum silicate crystal with traces of other elements.