n.usually galvanized sheet iron or sheet steel shaped into straight parallel ridges and hollows

CORRUGATED IRON
Terahertz surface plasmon-polariton propagation and focusing on periodically corrugated metal wires.
Intrinsic Broad-Band White-Light Emission by a Tuned, Corrugated Metal–Organic Framework
Buckling Formulas for Corrugated Metal Shear Diaphragms
Enhancement of electroluminescence through a two-dimensional corrugated metal film by grating-induced surface-plasmon cross coupling
Terahertz surface plasmon polaritons on periodically corrugated metal surfaces
Solving efficiency-stability tradeoff in top-emitting organic light-emitting devices by employing periodically corrugated metallic c...
Corrugated metal-coated tapered tip for scanning near-field optical microscope.
CORRUGATED METAL TUBING
Buckling of Light-Gage Corrugated Metal Shear Diaphragms