Meaning & Definition of word "Mica"

noun:

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