mica

noun

mi·​ca ˈmī-kə How to pronounce mica (audio)
: any of various colored or transparent mineral silicates crystallizing in monoclinic forms that readily separate into very thin leaves
micaceous adjective

Examples of mica in a Sentence

Recent Examples on the Web The thin, buildable gel spreads easily over skin, creating a natural, glow-from-within sort of radiance that won’t irritate your skin, unlike some highlighting products that contain mica powder or glitter. Sophie Dodd, Peoplemag, 8 May 2024 Most vineyards here grow on granite hillsides with soils composed of flint, chalk, and mica which impart bracing minerality to the wines. Mike Desimone and Jeff Jenssen, Robb Report, 21 Mar. 2024 Those have been joined by gold and bronze pearl, which deliver a universally flattering sheer bronze tint courtesy of ethically and sustainably sourced mica. Celia Shatzman, Forbes, 27 Feb. 2024 Infused with mica powder and shea butter for a look that’s both glowy and hydrating, the lotion can be used by itself or as a primer for your day-to-day makeup. Alyssa Brascia, Peoplemag, 27 Nov. 2023 Adding the mica may have been initially intended to make the paper more durable, although there are no historical records to corroborate this. Beth Mole, Ars Technica, 18 July 2023 In the twentieth century, Spruce Pine’s mica was mined to make windows for coal-burning stoves and insulation for vacuum tubes. Elizabeth Kolbert, The New Yorker, 23 Oct. 2023 Over the course of tens of millions of years, the molten rock cooled to form deposits of exceptionally pure mica and quartz, which were then pushed back up toward the surface. Elizabeth Kolbert, The New Yorker, 23 Oct. 2023 How many summers, which should be spaced apart in memory by winters, like mica planes by quartz, but aren’t? Caleb Crain, The Atlantic, 13 Aug. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mica.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin, from Latin, grain, crumb; perhaps akin to Greek mikros small

First Known Use

1777, in the meaning defined above

Time Traveler
The first known use of mica was in 1777

Dictionary Entries Near mica

Cite this Entry

“Mica.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mica. Accessed 21 May. 2024.

Kids Definition

mica

noun
mi·​ca ˈmī-kə How to pronounce mica (audio)
: any of various minerals that contain silicon and can be separated easily into thin often transparent sheets

Medical Definition

mica

noun
mi·​ca ˈmī-kə How to pronounce mica (audio)
: any of various colored or transparent mineral silicates crystallizing in monoclinic forms that readily separate into very thin leaves
micaceous adjective

More from Merriam-Webster on mica

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