Roget's Thesaurus of English Words and Phrases

CLASS II SECTION III. 2. SPECIAL FORM

244. Angularity -- N. angularity, angularness ^† ; aduncity ^† ; angle, cusp, bend; fold &c 258; notch &c 257; fork, bifurcation.

245. Curvature -- N. curvature, curvity ^† , curvation ^† ; incurvature ^† , incurvity ^† ; incurvation ^† ; bend; flexure, flexion, flection ^† ; conflexure ^† ; crook, hook, bought, bending; deflection, deflexion ^† ; inflection, inflexion ^† ; concameration ^† ; arcuation ^† , devexity ^† , turn, deviation, detour, sweep; curl, curling; bough; recurvity ^† , recurvation ^† ; sinuosity &c 248.

246. Straightness -- N. straightness, rectilinearity ^† , directness; inflexibility &c (stiffness) 323; straight line, right line, direct line; short cut.

247. [Simple circularity.] Circularity -- N. circularity, roundness; rotundity &c 249.

248. [Complex curvature.] Convolution -- N. winding &c v.; convolution, involution, circumvolution; wave, undulation, tortuosity, anfractuosity ^† ; sinuosity, sinuation ^† ; meandering, circuit, circumbendibus ^† , twist, twirl, windings and turnings, ambages ^† ; torsion; inosculation ^† ; reticulation &c (crossing) 219; rivulation ^† ; roughness &c 256.

249. Rotundity -- N. rotundity; roundness &c adj.; cylindricity ^† ; sphericity, spheroidity ^† ; globosity ^† .