intransitive verb. To shape into folds or parallel and alternating ridges and grooves.

intransitive verb. To become shaped into such folds or ridges and grooves.

To wrinkle; draw or contract into folds; pucker: as, to corrugate the skin; to corrugate iron plates for use in building.

Wrinkled; contracted; puckered.

In zoology and botany, having a wrinkled appearance: applied to a surface closely covered with parallel and generally curved or wavy sharp ridges which are separated by deep and often depressed lines.

adjective. Wrinkled; crumpled; furrowed; contracted into ridges and furrows.

transitive verb. To form or shape into wrinkles or folds, or alternate ridges and grooves, as by drawing, contraction, pressure, bending, or otherwise; to wrinkle; to purse up.

transitive verb. sheet iron bent into a series of alternate ridges and grooves in parallel lines, giving it greater stiffness.

transitive verb. a thick, coarse paper corrugated in order to give it elasticity. It is used as a wrapping material for fragile articles, as bottles.

verb. To wrinkle.

verb. To fold into parallel folds, grooves or ridges.

verb. fold into ridges

"Aquafina is also driving additional environmental benefits by producing the bottle at purification centers where filling occurs and by eliminating cardboard base pads from 24-packs, which will contribute to saving 20 million pounds of corrugate by 2010."

smooth  

corrugated  corrugating  

fold  fold up  turn up  

crumpled  furrow  furrowed  puckery  wrinkle  

corrugated  corrugates  corrugating