mica

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mi·ca

 (mī′kə)
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 mīca, grain (perhaps influenced by micāre, to flash).]

mi·ca′ceous (-kā′shəs) adj.

mica

(ˈmaɪkə)
n
(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
[C18: from Latin: grain, morsel]
micaceous adj

mi•ca

(ˈmaɪ kə)

n.
any member of a group of minerals, hydrous silicates of aluminum usu. with potassium, sodium, or calcium, that separate readily into thin, tough, often transparent laminae.
[1700–10; < Latin mīca crumb, grain]
mi•ca′ceous (-ˈkeɪ ʃəs) adj.

mi·ca

(mī′kə)
Any of a group of aluminum silicate minerals that can be split easily into thin, partly transparent sheets. Mica is common in igneous and metamorphic rocks. It is highly resistant to heat and is used in electric fuses and other electrical equipment.

mica

- Any of a group of minerals that occur in small glittering plates or scales in other rocks.
See also related terms for minerals.

mica

A rock-forming silicate.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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 leavesmica - 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
References in classic literature ?
Her face had a bright olive tone, and seemed to have a golden mica in its composition.
They test every tiny disc of mica, and throw away nine out of ten.
The garden, about half an acre in size, is margined by the Brillante, so named from the particles of mica which sparkle in its bed elsewhere than in the Val- Noble, where its shallow waters are stained by the dyehouses, and loaded with refuse from the other industries of the town.
The mica dust from the shore, rising under our feet, flew like a cloud of sparks.
When other pilgrims reached the cliff, they found only an opaque stone, with particles of mica glittering on its surface.
Near to this stream there is a small mountain of mica slate, including garnets.
Then a piece of mica, or a little pool, or even a highly-polished leaf will flash like a heliograph.
Glittering particles of mica were visible in the earth about it--vestiges of its decomposition.
His little eyes glittered like mica discs--with curiosity, --though he tried to keep up a bit of superciliousness.
He stood there for a moment in the moonlight with his deli- cate hooked nose set a little askew, and his mica eyes glittering without a wink, then, with a curt Good night, he strode off.
The shores of Earraid were close in; I could see in the moonlight the dots of heather and the sparkling of the mica in the rocks.
cried the little girl enthusiastically, holding up two glittering fragments of mica.