Definitions for micaˈmaɪ kə

This page provides all possible meanings and translations of the word mica

Random House Webster's College Dictionary

mi•caˈmaɪ kə(n.)

  1. 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.

    Category: Mineralogy

Origin of mica:

1700–10; < L mīca crumb, grain

mi•ca′ceous-ˈkeɪ ʃəs(adj.)

Princeton's WordNet

  1. mica, isinglass(noun)

    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

Wiktionary

  1. mica(Noun)

    Any of a group of hydrous aluminosilicate minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic.

  2. Origin: From mica.

Webster Dictionary

  1. Mica(noun)

    the name of a group of minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. They differ widely in composition, and vary in color from pale brown or yellow to green or black. The transparent forms are used in lanterns, the doors of stoves, etc., being popularly called isinglass. Formerly called also cat-silver, and glimmer

Freebase

  1. Mica

    The mica group of sheet silicate minerals includes several closely related materials having close to perfect basal cleavage. All are monoclinic, with a tendency towards pseudohexagonal crystals, and are similar in chemical composition. The nearly perfect cleavage, which is the most prominent characteristic of mica, is explained by the hexagonal sheet-like arrangement of its atoms. The word "mica" is derived from the Latin word mica, meaning "a crumb", and probably influenced by micare, "to glitter".

The Standard Electrical Dictionary

  1. Mica

    A natural mineral, a silicate of several oxides; muscovite. It is used as an insulator and dielectric. Its resistance per centimeter cube after several minutes electrification at 20º C. (68º F.) is 8.4E13 ohms (Ayrton). Its specific inductive capacity is 5, air being taken at 1.

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