exfoliationn.
/ɛksˌfəʊlɪˈeɪʃən/ 1.
a. Surgery and Pathology. The action or process of exfoliating.
ΘΚΠ
the world > space > relative position > condition of being external > covering > uncovering > [noun] > stripping or uncovering so as to leave bare > stripping or shedding external layer
bipiliunga1250
peeling1535
exfoliation1676
1676 R. Wiseman Severall Chirurg. Treat. iv. iv. 264 The bone laid bare in order to Exfoliation.
1721 W. Gibson Farriers Dispensatory i. i. 24 Euphorbium..Its Tincture is often apply'd to Bones that are laid bare..to hasten an Exfoliation.
1741 A. Monro Anat. Human Bones (ed. 3) 51 The Exfoliation which Cartilages are subject to.
1797 M. Baillie Morbid Anat. (ed. 2) v. 88 The cricoid cartilage, being converted into bone, was separated by exfoliation.
1851 W. B. Carpenter Man. Physiol. (ed. 2) 173 This moulting is precisely analogous to the exfoliation and new formation of the Epidermis, in Man.
b. transferred. Cf. exfoliate v. 3.
ΘΚΠ
the world > space > relative position > condition of being external > covering > uncovering > [noun] > stripping or uncovering so as to leave bare > stripping or shedding external layer > in scales
scaling1591
exfoliation1802
1802 J. Playfair Illustr. Huttonian Theory 31 This stone is..subject to perpetual exfoliation.
1816 R. Jameson Treat. External Characters Minerals (ed. 2) 283 Exfoliation, or the separation of the folia of a mineral from each other.
1849 A. H. Layard Nineveh & Remains I. i. x. 342 A kind of exfoliation had taken place in the glass vase.
1860 J. Tyndall Glaciers of Alps i. i. 6 The exfoliation of rails, the fibres of iron, etc.
1884 F. O. Bower & D. H. Scott tr. H. A. de Bary Compar. Anat. Phanerogams & Ferns 413 In old age they [parenchymatous cells] die off..after breaking up into layers or rows (exfoliation).
2. That which is exfoliated; an exfoliated portion; a ‘coat’ or layer in the stem of a tree.
ΘΚΠ
the world > space > shape > condition of being broad in relation to thickness > [noun] > thin plate or layer > scale > that has come off
shell13..
slake1585
flake1591
scaling1651
exfoliation1750
1750 G. Hughes Nat. Hist. Barbados 110 The several exfoliations of its [a tree's] green part were equal in number to its branches.
1835 J. Lindley Introd. Bot. (1848) I. 238 The spongelets of the aerial roots consist of..exfoliations of the epiphlœum.
1876 S. W. Gross Gross's Pract. Treat. Dis. Bladder (ed. 3) i. i. 27 Such casts..are mistaken for exfoliations of the lining membrane.
This entry has not yet been fully updated (first published 1894; most recently modified version published online March 2019).
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