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[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.
to draw or bend into folds or alternate furrows and ridges.
to wrinkle, as the skin or face.
Western U.S. to make irrigation ditches in (a field).
verb (used without object), corrugated, corrugating.
to become corrugated; undergo corrugation.
corrugated; wrinkled; furrowed.
Origin of corrugate
late Middle English
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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for corrugated
  • We follow a knot of workmen up the hill to rectangular pits shaded by a corrugated steel roof-the main excavation site.
  • They occupy chairs and tables under languid ceiling fans and a haphazardly joined ceiling of corrugated plastic sheets.
  • Its back was corrugated and ornamented with ungainly bosses, and a greenish incrustation blotched it here and there.
  • These receptors weakly anchor liquid crystal in a specific orientation along the film's corrugated surface.
  • The right-hand part looks corrugated, with three alternating pairs of shallow matte ridges and grooves.
  • Five trailers painted pink, linked by a corrugated metal roof, are surrounded by a six-foot fence topped with barbed wire.
  • The setting is a run-down collection of corrugated aluminum barracks, nestled beneath spectacular sloping green hills.
  • It's a flimsy ribbon of corrugated aluminum, no more than a few microns thick suspended between two magnets.
  • The window absorbs solar heat for food drying, aided by a flow of air beneath the box through the corrugated openings.
  • He uses sheets of corrugated metal for the outside walls and panels of thatch for the roof.
British Dictionary definitions for corrugated


verb (ˈkɒrʊˌɡeɪt)
(usually transitive) to fold or be folded into alternate furrows and ridges
adjective (ˈkɒrʊɡɪt; -ˌɡeɪt)
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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for corrugated

1620s, "wrinkled" (of skin, etc.), past participle adjective from corrugate. Meaning "bent into curves or folds" (of iron, cardboard, etc., for elasticity and strength) is from 1853.



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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