| 释义 |
corrugation|kɒr(j)uːˈgeɪʃən|
[ad. L. type *corrūgātiōn-em, f. corrūgāre to corrugate.]
1. The action of corrugating or state of being corrugated; contraction into wrinkles, folds, or ridges.
1528Paynel Salerne's Regim. D ij b, Verye hunger cometh by contraction and corrugation of the veynes procedynge from the mouthe of the stomake. 1615Crooke Body of Man 745 The skinne of the forehead (which by his tension and corrugation..demonstrateth the manifold affections of the mind). 1710T. Fuller Pharm. Extemp. 22 Convulsive Corrugations of the Fibres. 1836Todd Cycl. Anat. I. 225/1 Strong acids applied to arteries produce a corrugation or crisping of their structure.
2. concr.
a. A wrinkle, fold, furrow, or groove formed by the contraction of a soft surface or the indenting of a hard one.
1829E. Jesse Jrnl. Nat. 53 An oak, with all the corrugations, twistings, furrows, and irregularities which this tree..generally exhibits. 1857H. Miller Test. Rocks 224 Another element of strength,—that which has of late been introduced into iron roofs, which by means of their corrugations..are made to span over wide spaces, without the support of beams or rafters. 1872C. King Sierra Nev. i. 1 A succession of mountain chains folded in broad corrugations.
b. A ridge in an unsurfaced road.
1940Gloss. Highway Engin. (B.S.I.) 35 Corrugations, the displacement of the material forming a surface layer into marked wave-like shapes transverse to the line of traffic or creep. 1953J. Packer Apes & Ivory xx. 213 ‘Poor car on the corrugations!’ sighed Bertie. 1959G. J. Walker Traffic & Transport in Nigeria v. 94 The causes of these ridges across the line of the traffic are obscure... Tar or bitumen as a binder in place of water-bound clay or other fines appears the surest means of preventing corrugation. Ibid. 95 The speed, weight and density of the traffic raised the corrugations. |