corrugate
(verb) fold into ridges; “corrugate iron”
Source: WordNet® 3.1
corrugate (third-person singular simple present corrugates, present participle corrugating, simple past and past participle corrugated)
(of the skin) To wrinkle.
To fold into parallel folds, grooves or ridges.
corrugate (comparative more corrugate, superlative most corrugate)
(obsolete) corrugated; wrinkled; crumpled; furrowed
Source: Wiktionary
Cor"ru*gate (kr"r-gt), a. Etym: [L. corrugatus, p. p. of corrugare; cor-+ rugare to wrinkle, ruga wrinkle; of uncertain origin.]
Definition: Wrinkled; crumpled; furrowed; contracted into ridges and furrows.
Cor"ru*gate (-gt), v. t. [imp. & p.p. Corrugated (-g`td); p. pr. & vb. n. Corrugating (-g`tng).]
Definition: To form or shape into wrinkles or folds, or alternate ridges and grooves, as by drawing, contraction, pressure, bending, or otherwise; to wrinkle; to purse up; as, to corrugate plates of iron; to corrugate the forehead. Corrugated iron, sheet iron bent into a series of alternate ridges and grooves in parallel lines, giving it greater stiffness.
– Corrugated paper, a thick, coarse paper corrugated in order to give it elasticity. It is used as a wrapping material for fragile articles, as bottles.
Source: Webster’s Unabridged Dictionary 1913 Edition
30 April 2025
(noun) important marine food and game fishes found in all tropical and temperate seas; some are at least partially endothermic and can thrive in colder waters
According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.
