Definition of mica
: any of various colored or transparent mineral silicates crystallizing in monoclinic forms that readily separate into very thin leaves
micaceousplay \mī-ˈkā-shəs\ adjective
Recent Examples of mica from the Web
The neighboring Jardin d’hiver takes its aubergine theme (see the glittering mica wall inlay and plush circular sofa) the from the original light fixtures dressed with amethyst drops.
All are colored powder pigments formulated with mica, iron oxides and titanium dioxides.
The 3-in-1 formula is made of salt, sugar, and Arabica coffee for exfoliating; grapeseed oil and Vitamin E for moisturizing; and tiny flecks of gold and silver mica for strobing.
People would be surprised to learn: Today’s finishes can incorporate glass beads, sheets of mica, glitter and reflective materials, foils, and interesting patterns.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mica'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of mica
New Latin, from Latin, grain, crumb; perhaps akin to Greek mikros small
First Known Use: 1777See Words from the same year
MICA Defined for English Language Learners
Definition of mica for English Language Learners
: a mineral that separates easily into thin sheets
MICA Defined for Kids
Definition of mica for Students
: a mineral that easily breaks into very thin transparent sheets
Seen and Heard
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