mica: meaning, definition, pronunciation and examples
C1/C2 (Low-frequency, primarily technical)Technical/Scientific (geology, engineering, manufacturing), occasionally literary for descriptive purposes.
Quick answer
What does “mica” mean?
A shiny, layered silicate mineral that easily splits into thin, flexible sheets.
Audio
Pronunciation
Definition
Meaning and Definition
A shiny, layered silicate mineral that easily splits into thin, flexible sheets.
The mineral used commercially for its thermal and electrical insulation properties, often as a filler or pigment.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or usage differences. Pronunciation differs slightly.
Connotations
Neutral technical term in both varieties.
Frequency
Equally low-frequency in both dialects, confined to specialist fields.
Grammar
How to Use “mica” in a Sentence
The [rock] contains mica.Mica is used as [an insulator/filler].[Sheets/Flakes] of mica glistened.It is composed primarily of mica and quartz.Vocabulary
Collocations
Examples
Examples of “mica” in a Sentence
verb
British English
- Not applicable as a verb.
American English
- Not applicable as a verb.
adverb
British English
- Not applicable as an adverb.
American English
- Not applicable as an adverb.
adjective
British English
- The mica-rich soil was difficult to farm.
- They used a mica-based insulating board.
American English
- The rock had a distinct, mica-filled vein.
- We specified a mica-reinforced composite.
Usage
Meaning in Context
Business
In supply chains for construction, cosmetics (as pigment), or electronics (as an insulator).
Academic
Common in geology, materials science, and engineering papers describing rock composition or insulating materials.
Everyday
Rare. Might be used descriptively, e.g., 'The granite sparkled with bits of mica.'
Technical
Precise term for a group of phyllosilicate minerals with specific chemical formulas and physical properties.
Vocabulary
Synonyms of “mica”
Vocabulary
Antonyms of “mica”
Watch out
Common Mistakes When Using “mica”
- Mispronouncing it as /ˈmiːkə/ (like 'Mecca').
- Using it as a countable noun (e.g., 'three micas').
- Confusing it with 'micas' as a plural form – it is a mass noun; the plural refers to types of mica (e.g., 'the micas include muscovite...').
FAQ
Frequently Asked Questions
In its raw mineral form, it is not considered hazardous. However, inhaling fine mica dust (as with any fine particulate) can be an irritant.
Mica is a naturally occurring mineral. Cosmetic glitter is often made from synthetic mica or plastic. Natural mica flakes are more irregular.
No, it is not edible. It is used as a pearlescent pigment in some food decorations (E-number E555), but this is highly processed and regulated, not the raw mineral.
A significant portion of global mica mining, particularly in some regions, has been linked to unethical labour practices, including child labour. Ethical brands seek responsibly sourced mica.
A shiny, layered silicate mineral that easily splits into thin, flexible sheets.
Mica is usually technical/scientific (geology, engineering, manufacturing), occasionally literary for descriptive purposes. in register.
Mica: in British English it is pronounced /ˈmaɪkə/, and in American English it is pronounced /ˈmaɪkə/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. 'Mica' does not feature in common English idioms.”
Learning
Memory Aids
Mnemonic
Think of MICA as 'Micro-thin Iridescent Crystal Arrays' – it splits into thin, shiny sheets.
Conceptual Metaphor
Often used as a metaphor for things that are fragile, layered, or glittering superficially.
Practice
Quiz
In which industry is mica LEAST likely to be used?