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exfoliation

[eks-foh-lee-ey-shuh n] /ɛksˌfoʊ liˈeɪ ʃən/
noun
1.
the act, state, or process of exfoliating.
2.
the state of being exfoliated.
3.
something that is exfoliated or scaled off.
Origin
1670-1680
1670-80; New Latin exfoliātiōn- (stem of exfoliātiō). See exfoliate, -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for ex-foliation

exfoliation

n.

early 15c., noun of action from Latin exfoliare (see exfoliate).

Online Etymology Dictionary, © 2010 Douglas Harper
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ex-foliation in Medicine

exfoliation ex·fo·li·a·tion (ěks-fō'lē-ā'shən)
n.

  1. Detachment and shedding of superficial cells of an epithelium or a tissue surface.

  2. Scaling or desquamation of the horny layer of epidermis.

  3. Loss of deciduous teeth following physiological loss of root structure.

  4. Extrusion of permanent teeth as a result of disease or loss of opposing teeth.


ex·fo'li·ate' v.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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ex-foliation in Science
exfoliation
  (ěks-fō'lē-ā'shən)   
The process in which layers of tissue peel or are peeled off an organism, such as the distinctive ways in which bark peels off a tree in strips or flakes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for ex-foliation

exfoliation

separation of successive thin shells, or spalls, from massive rock such as granite or basalt; it is common in regions that have moderate rainfall. The thickness of individual sheet or plate may be from a few millimetres to a few metres.

Learn more about exfoliation with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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