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mica

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
mi·ca  (mk)
n.
Any of a group of chemically and physically related aluminum silicate minerals, common in igneous and metamorphic rocks, characteristically splitting into flexible sheets used in insulation and electrical equipment.

[Latin mca, grain (perhaps influenced by micre, to flash).]

mi·caceous (-kshs) adj.

mica [ˈmaɪkə]
n
(Earth Sciences / Minerals) any of a group of lustrous rock-forming minerals consisting of hydrous silicates of aluminium, potassium, etc., in monoclinic crystalline form, occurring in igneous and metamorphic rock. Because of their resistance to electricity and heat they are used as dielectrics, in heating elements, etc.
[from Latin: grain, morsel]
micaceous  [maɪˈkeɪʃəs] adj

mica  (mk)
Any of a group of hydrous aluminosilicate minerals with the general formula (K,Na,Ca)(Mg,Fe,Li,Al)2-3(Al,Si)4O10(OH,F)2that can be split easily into thin, partly transparent sheets. Mica is common in igneous and metamorphic rocks and often occurs as flakes or sheets. It is highly resistant to heat and is used in electric fuses and other electrical equipment. Muscovite and biotite are types of mica
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.micamica - 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
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
biotite - dark brown to black mica found in igneous and metamorphic rock
lepidolite - a mineral of the mica group; an important source of lithium
muscovite - a colorless or pale brown mica with potassium
paragonite - a colorless or pale brown mica with sodium
phlogopite - a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum
translucent substance, transparent substance - a material having the property of admitting light diffusely; a partly transparent material
zinnwaldite - a mica containing iron and lithium
Translations
mica [ˈmaɪkə] Nmica f
mica [ˈmaɪkə] nmica m
mica
nMuskovit m
mica [ˈmaɪkə] nmica


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Glittering particles of mica were visible in the earth about it--vestiges of its decomposition.
The mica dust from the shore, rising under our feet, flew like a cloud of sparks.
Near to this stream there is a small mountain of mica slate, including garnets.
 
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