corrugate

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verb cor·ru·gate \ˈkȯr-ə-ˌgāt, ˈkär-\

Definition of corrugate

corrugated

;

corrugating

  1. transitive verb
  2. :  to form or shape into wrinkles or folds or into alternating ridges and grooves :  furrow

  3. intransitive verb
  4. :  to become corrugated

Origin and Etymology of corrugate

Latin corrugatus, past participle of corrugare, from com- + ruga wrinkle; probably akin to Lithuanian raukas wrinkle — more at rough


First Known Use: 1620



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rude, impolite, or socially unacceptable

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