Corrugate

• POS: Adjective, Verb (usu participle)
• HYPHEN: cor=ru=gate

CIDE DICTIONARY

Corrugate, a. [L. corrugatus, p. p. of corrugare; cor-+ rugare to wrinkle, ruga wrinkle; of uncertain origin.].

 Wrinkled; crumpled; furrowed; contracted into ridges and furrows.  [1913 Webster]

Corrugate, v. t. 

 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; as, to corrugate plates of iron; to corrugate the forehead.  [1913 Webster]

Corrugated iron, sheet iron bent into a series of alternate ridges and grooves in parallel lines, giving it greater stiffness. -- Corrugated paper, a thick, coarse paper corrugated in order to give it elasticity. It is used as a wrapping material for fragile articles, as bottles.

OXFORD DICTIONARY

Corrugate, v.
1 tr. (esp. as corrugated adj.) form into alternate ridges and grooves, esp. to strengthen (corrugated iron; corrugated paper).
2 tr. & intr. contract into wrinkles or folds.

Derivative

corrugation n.

Etymology

L corrugare (as COM-, rugare f. ruga wrinkle)

ROGET THESAURUS

Corrugate

Contraction

VB become small, become smaller, lessen, decrease, grow less, dwindle, shrink, contract, narrow, shrivel, collapse, wither, lose flesh, wizen, fall away, waste, wane, ebb, decay, be smaller than, fall short of, not come up to, render smaller, lessen, diminish, contract, draw in, narrow, coarctate, boil down, constrict, constringe, condense, compress, squeeze, corrugate, crimp, crunch, crush, crumple up, warp, purse up, pack, squeeze, stow, pinch, tighten, strangle, cramp, dwarf, bedwarf, shorten, circumscribe, restrain, (subtraction) 38 abrade, pare, reduce, attenuate, rub down, scrape, file, file down, grind, grind down, chip, shave, shear, wear down.

Roughness

VB be rough, go against the grain, render-rough, roughen, ruffle, crisp, crumple, corrugate, set on edge, stroke the wrong way, rumple.

Fold

VB fold, double, plicate, plait, crease, wrinkle, crinkle, crankle, curl, cockle up, cocker, rimple, rumple, flute, frizzle, frounce, rivel, twill, corrugate, ruffle, crimple, crumple, pucker, turn down, double down, down under, tuck, ruck, hem, gather.