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corrugate

[v. kawr-uh-geyt, kor-; adj. kawr-uh-git, -geyt, kor-] /v. ˈkɔr əˌgeɪt, ˈkɒr-; adj. ˈkɔr ə gɪt, -ˌgeɪt, ˈkɒr-/
verb (used with object), corrugated, corrugating.
1.
to draw or bend into folds or alternate furrows and ridges.
2.
to wrinkle, as the skin or face.
3.
Western U.S. to make irrigation ditches in (a field).
verb (used without object), corrugated, corrugating.
4.
to become corrugated; undergo corrugation.
adjective
5.
corrugated; wrinkled; furrowed.
Origin
late Middle English
1375-1425
1375-1425; late Middle English < Latin corrūgātus past participle of corrūgāre, equivalent to cor- cor- + rūg(āre) to wrinkle + -ātus -ate1
Related forms
corrugated, adjective
corrugator, noun
uncorrugated, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un corrugated

corrugate

verb (ˈkɒrʊˌɡeɪt)
1.
(usually transitive) to fold or be folded into alternate furrows and ridges
adjective (ˈkɒrʊɡɪt; -ˌɡeɪt)
2.
folded into furrows and ridges; wrinkled
Derived Forms
corrugation, noun
Word Origin
C18: from Latin corrūgāre, from rūga a wrinkle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for un corrugated

corrugate

v.

1620s; implied earlier as a past participle adjective (early 15c.), from Latin corrugatus, past participle of corrugare "to wrinkle very much," from com-, intensive prefix (see com-), + rugare "to wrinkle," of unknown origin.

Online Etymology Dictionary, © 2010 Douglas Harper
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