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Definition of exfoliation
exfoliation
/ɛksˌfoʊ.liˈeɪ.ʃən/
ex · fo · li · a · tion
Plural:exfoliations
•Adjective:exfoliative
exfoliation Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Top 10k
Syllables
5
exfoliation Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The cosmetic or dermatological process of removing dead skin cells from the outer layer of the skin using a granular scrub, brush, or chemical agent.
Example
"Regular exfoliation helps keep the skin smooth and prevents clogged pores."
2
The peeling, flaking, or shedding of a surface—such as rock, mineral, or tree bark—in thin concentric scales or layers, especially due to physical weathering or pressure release.
Example
"The granite dome was shaped over millennia by mechanical exfoliation as overlying rock eroded away."
Synonyms
View all synonyms for exfoliation• Rhymes for exfoliation
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Word Origin & Etymology
Borrowed in the early 17th century from Late Latin exfoliatio, from exfoliare ('to strip of leaves'), formed from ex- ('off') and folium ('leaf').
Cite this Entry
Wordmom. (2026). Definition of Exfoliation. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/exfoliation