Mica

/ˈmaɪ.kə/

Meaning & Definition

noun
A mineral occurring in various forms that cleaves easily into thin sheets, used in electrical insulation and as a decorative element.
The artist used torn pieces of mica to add a shimmering effect to the painting.
Any of several flaky minerals that are hydrous silicates of aluminum, commonly used in the manufacture of paints, plastics, and cosmetics.
Mica is often added to cosmetics for its ability to reflect light and provide a shimmery appearance.
A term applied to a variety of materials in which the same layered structure is involved.
Builders often use mica in construction for its insulating properties.

Etymology

Latin 'mica' meaning 'grain' or 'crumb'.

Common Phrases and Expressions

mica schist
A type of metamorphic rock that contains mica
muscovite mica
A light-colored variety of mica
biotite mica
A dark-colored variety of mica

Related Words

talc
A mineral that can also be used in similar applications as mica.
chlorite
A mineral that is related to the mica group.

Slang Meanings

Thin and fragile
Her patience was as delicate as mica.
Something shiny or alluring
That new car looks mica in the sunlight.