corrugation

from WordNet (r) 3.0 (2006)
corrugation
    n 1: a ridge on a corrugated surface
    2: the act of shaping into parallel ridges and grooves
    
from The Collaborative International Dictionary of English v.0.48
Corrugation \Cor`ru*ga"tion\ (k?r`r?-g?"sh?n), n. [Cf. F.
   corrugation.]
   The act corrugating; contraction into wrinkles or alternate
   ridges and grooves.
   [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
59 Moby Thesaurus words for "corrugation":
      bezel, broken ground, broken water, chamfer, chase, chink, chop,
      cockle, corduroy, corduroy road, crack, crankle, cranny, crease,
      crimp, crinkle, crumple, cut, dado, engraving, flute, fluting,
      fold, furrow, gash, goose bumps, goose pimples, gooseflesh, gouge,
      groove, horripilation, incision, lop, microgroove, plica, pucker,
      rabbet, ridge, rifling, rimple, ripple, rivel, rough, ruck, rumple,
      rut, sandpaper, score, scratch, slit, streak, stria, striation,
      sulcation, sulcus, washboard, well-worn groove, wimple, wrinkle

    

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