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Definition of mica

mica

/ˈmaɪ.kə/
mi · ca
Plural:micas
•
Adjective:micaceous
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mica Lexical Profile

mica Game Scores & Validity

• noun

1

A shiny silicate mineral characterized by a distinct layered crystalline structure, frequently found in granite and metamorphic rocks, which easily splits into thin, flexible, and often transparent sheets.

Example

"The hiker picked up a piece of granite and noticed the small flakes of mica sparkling in the sunlight."

Synonyms
View all synonyms for mica

• Rhymes for mica

• Nearby Words

miami
miami river
mic
mica
michael
michaelmas daisy
michauxia

Word Origin & Etymology

Early 18th century: from Latin 'mica' meaning 'crumb', likely influenced by 'micare' meaning 'to glitter' or 'to shine' due to the mineral's reflective appearance.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Mica. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mica
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