Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.
Two patterns of air plane engine inlet hot-air anti-icer are introduced in this paper, one is circumferential anti-icer, the other is double skin corrugated chord direction anti-icer.
This is made possible through something called a lenticular lens – a corrugated sheet in which each ridge is made up of a convex – or outward-curving – lens.
That cardboard and paper is sorted by workers who remove any remaining contaminants, or stray plastics, and separated the materials into bins for newspaper, mixed paper, and corrugated cardboard.
She flung the tea back, spoon and all, and resumed her chair in a pet; her forehead corrugated, and her red under lip pushed out, like a child's ready to cry.
As one does when faced with the undeniable fact that a bit of corrugated iron is the sort of thing that all normal, right-thinking people keep lying about in their sheds, just in case there's call for it.
The orator having refreshed himself, wiped his corrugated forehead from left to right several times with his handkerchief folded into a pad, and concentrated all his revived forces, in a sneer of great disdain and bitterness.