curvationn.

Brit.

/kə(ː)ˈveɪʃn/, U.S.

/ˌkərˈveɪʃ(ə)n/

Forms: late Middle English curuacioun, 1600s– curvation.

Origin: A borrowing from Latin. Etymons: Latin curvātiōn-, curvātiō.

Etymology: < classical Latin curvātiōn-, curvātiō curvature, bend < curvāt- , past participial stem of curvāre curve v. + -iō -ion suffix¹.Compare Middle French curvacion, curvation (1314 in Old French as curvation).

Curving, bending; curvature; (also) an instance of this.

ΘΚΠ

the world > space > shape > curvature > [noun]

curvation?a1425

curvity?a1425

curvaturea1460

bent1541

bend1597

curvedness1598

flexure1628

incurvation1647

compassedness1652

deflexure1656

flexion1656

curvilinearity1756

deflection1821

wind1825

inflection1837

?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 137^v (MED) Spasme is retraccioun & curuacioun [L. curvacio] of þe tonge to his bigynnyng, bi which þe acte of it is letted.

1656 tr. T. Hobbes Elements Philos. ii. xiv. 142 The bending or Curvation [L. recurvatio] of a straight line into the circumference of a Circle.

1659 J. Pearson Expos. Creed (1839) 393 The inclination and curvation of our limbs.

1678 J. Browne Compl. Treat. Preternatural Tumours Introd. 25 Chirurgery..was ordered and framed to repair natures wants, to help her necessities, to make her curvations right.

1721 R. Bradley Philos. Acct. Wks. Nature 150 It swims about by Curvations, appearing like the figure of an S.

1793 R. W. Johnson Friendly Cautions to Heads of Families (ed. 3) ii. 10 We have taken notice of the position and curvation of the Spine in the Embryo as well as Infant State.

1824 Times 2 Sept. It..peered about with its head in all directions, occasioning its body to assume those beautiful curvations of which the snake species are so capable.

1862 Morning Star 19 June A self-adjusting carriage wheel, adapted to any curvation or line of railway.

1974 R. Passmore & J. S. Robson Compan. Med. Stud. III. xxvii. 13/1 Fibrous plaques develop near the glans or on the dorsum of the penis, and cause curvation, swelling, pain on erection and interference with coitus.

2002 Yorks. Evening Post (Nexis) 20 Mar. His son has undergone many operations to correct scoliosis, curvation of the spine.

This entry has been updated (OED Third Edition, September 2017; most recently modified version published online March 2022).

单词	curvation
释义	curvationn. Brit. /kə(ː)ˈveɪʃn/, U.S. /ˌkərˈveɪʃ(ə)n/ Forms: late Middle English curuacioun, 1600s– curvation. Origin: A borrowing from Latin. Etymons: Latin curvātiōn-, curvātiō. Etymology: < classical Latin curvātiōn-, curvātiō curvature, bend < curvāt- , past participial stem of curvāre curve v. + -iō -ion suffix¹.Compare Middle French curvacion, curvation (1314 in Old French as curvation). Curving, bending; curvature; (also) an instance of this. ΘΚΠ the world > space > shape > curvature > [noun] curvation?a1425 curvity?a1425 curvaturea1460 bent1541 bend1597 curvedness1598 flexure1628 incurvation1647 compassedness1652 deflexure1656 flexion1656 curvilinearity1756 deflection1821 wind1825 inflection1837 ?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 137^v (MED) Spasme is retraccioun & curuacioun [L. curvacio] of þe tonge to his bigynnyng, bi which þe acte of it is letted. 1656 tr. T. Hobbes Elements Philos. ii. xiv. 142 The bending or Curvation [L. recurvatio] of a straight line into the circumference of a Circle. 1659 J. Pearson Expos. Creed (1839) 393 The inclination and curvation of our limbs. 1678 J. Browne Compl. Treat. Preternatural Tumours Introd. 25 Chirurgery..was ordered and framed to repair natures wants, to help her necessities, to make her curvations right. 1721 R. Bradley Philos. Acct. Wks. Nature 150 It swims about by Curvations, appearing like the figure of an S. 1793 R. W. Johnson Friendly Cautions to Heads of Families (ed. 3) ii. 10 We have taken notice of the position and curvation of the Spine in the Embryo as well as Infant State. 1824 Times 2 Sept. It..peered about with its head in all directions, occasioning its body to assume those beautiful curvations of which the snake species are so capable. 1862 Morning Star 19 June A self-adjusting carriage wheel, adapted to any curvation or line of railway. 1974 R. Passmore & J. S. Robson Compan. Med. Stud. III. xxvii. 13/1 Fibrous plaques develop near the glans or on the dorsum of the penis, and cause curvation, swelling, pain on erection and interference with coitus. 2002 Yorks. Evening Post (Nexis) 20 Mar. His son has undergone many operations to correct scoliosis, curvation of the spine. This entry has been updated (OED Third Edition, September 2017; most recently modified version published online March 2022). < n.?a1425
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