corrugation

Pronunciation:  US [ˌkɒrə'geɪʃən] UK [ˌkɒrʊ'geɪʃən]
  • n.Wrinkles; Wrinkled; Wave curvature; Waviness
  • WebCorrugation; Wrinkled; Wave shapes
n.
1.
Wrinkles and wrinkle, crease; wave curvature; ripple; (Tin) to undulate; grooves; furrow