Definition of corrugation in US English:

corrugation

noun

  • See corrugated

    • ‘This allows the vent material to cover the ridge gap, and air exits through the corrugations.’
    • ‘Lower quality corrugated pipes have the ripples or corrugations on the inside as well as the outside.’
    • ‘‘It caused a slight bit of wrinkling or corrugation in the painting which caused a few cracks in the paint surface,’ Harr said yesterday.’
    • ‘Looking at the results, you can see how the originals were made: all their folds, flaws, corrugations and staples.’
    • ‘Strangely, the pattern on my feet matched the corrugations on the soles of the boots.’

Pronunciation

corrugation

/ˌkɔrəˈɡeɪʃ(ə)n//ˌkôrəˈɡāSH(ə)n/