: a unit of structure built up from polymeric molecules or ions: such as
a
: an ordered region in a fiber (as of cellulose or rayon)
b
: a molecular aggregate that constitutes a colloidal particle

Examples of micelle in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The study explains that calcium chloride turns lecithin into long, worm-like structures called micelles. — Maria Mocerino, Interesting Engineering, 2 Nov. 2026 From there, the body produces tiny clusters of molecules called micelles. — Carrie Madormo, Verywell Health, 29 Oct. 2026 Another considered spider silk to be like silkworm silk, which has proteins organized into micelles, or small spheres, which then compress into silk fiber. — Yasemin Saplakoglu, Quanta Magazine, 28 Oct. 2026 This micellar water uses micelles to attract and trap dirt, oil, and makeup without needing a rinse or second cleanse. — Shea Simmons, PEOPLE, 18 July 2026 See All Example Sentences for micelle

Word History

Etymology

New Latin micella, from Latin mica

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of micelle was in 1881

Browse Nearby Words

Cite this Entry

“Micelle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/micelle. Accessed 7 Nov. 2026.

Medical Definition

: a unit of structure built up from polymeric molecules or ions: as
a
: an ordered region in a fiber (as of cellulose or rayon)
b
: a molecular aggregate that constitutes a colloidal particle

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