exfoliate

[eks-foh-lee-eyt]
verb (used with object), exfoliated, exfoliating.
1.
to throw off in scales, splinters, etc.
2.
to remove the surface of (a bone, the skin, etc.) in scales or laminae.
verb (used without object), exfoliated, exfoliating.
3.
to throw off scales or flakes; peel off in thin fragments: The bark of some trees exfoliates.
4.
Geology.
a.
to split or swell into a scaly aggregate, as certain minerals when heated.
b.
to separate into rudely concentric layers or sheets, as certain rocks during weathering.
5.
Medicine/Medical. to separate and come off in scales, as scaling skin or any structure separating in flakes.

Origin:
1605–15; < Late Latin exfoliātus past participle of exfoliāre to strip off leaves. See ex-1, foliate

exfoliative [eks-foh-lee-ey-tiv, -uh-tiv] , adjective
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World English Dictionary
exfoliate (ɛksˈfəʊlɪˌeɪt)
 
vb
1.  (tr) to wash (a part of the body) with a granular cosmetic preparation in order to remove dead cells from the skin's surface
2.  (of bark, skin, etc) to peel off in (layers, flakes, or scales)
3.  (intr) (of rocks or minerals) to shed the thin outermost layer because of weathering or heating
4.  (of some minerals, esp mica) to split or cause to split into thin flakes: a factory to exfoliate vermiculite
 
[C17: from Late Latin exfoliāre to strip off leaves, from Latin folium leaf]
 
exfoli'ation
 
n
 
ex'foliative
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

exfoliate
1610s, from L.L. exfoliare "to strip of leaves," from ex- "off" + folium "leaf" (see folio). Related: Exfoliating; exfoliation.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Back at the lodge, exfoliate grimy layers of history in the spa's bear claw tubs.
For example, the company could offer facial soaps, or bars that moisturize or exfoliate.
The cause is beyond reductive statements, even when they exfoliate into such resplendent prose.
It is a unique mineral with the ability to exfoliate, or expand, upon heating.
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