Library / English Dictionary

MICA

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Synonyms:

isinglass; mica

Classified under:

Nouns denoting substances

Hypernyms ("mica" is a kind of...):

mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)

translucent substance; transparent substance (a material having the property of admitting light diffusely; a partly transparent material)

Hyponyms (each of the following is a kind of "mica"):

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)

zinnwaldite (a mica containing iron and lithium)

Derivation:

micaceous (hydrous silicates of or relating to or resembling mica)

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