corrugation

English

Pronunciation

• IPA^(key): /ˌkɔɹ.ə.ˈɡeɪ.ʃən/

• Audio (Southern England)

  (file)

• Rhymes: -eɪʃən

Noun

corrugation (countable and uncountable, plural corrugations)

1. The process of corrugating; contraction into wrinkles or alternate ridges and grooves.
   • 1976 September, Saul Bellow, Humboldt’s Gift, New York, N.Y.: Avon Books, →ISBN, pages 391–92:

     According to the pilot, ships were taking hard punishment in the storm. But from this altitude the corrugations of the seas looked no higher to the eye than the ridges of your palate feel to the tongue.

2. washboarding (the appearance of ripples or bumps on a dirt or gravel road)