corrugation
1. [ noun ] the act of shaping into parallel ridges and grooves
Related terms: change_of_shape corrugate
2. [ noun ] a ridge on a corrugated surface
Related terms: ridge corrugate
Similar spelling:   corruscation
  coarctation
  coruscation
  corrugate
  corrugated
  correction
  corrections
  correctional
  courgette
  coarctate