Simple Definition of mica

from our Learner's Dictionary

mica

noun

ˈmaɪkə How to pronounce mica (audio)
: a mineral that separates easily into thin sheets

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“Mica.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/mica. Accessed 15 Apr. 2026.

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