ovalityn.
/əʊˈvalᵻti/, U.S. /oʊˈvælədi/ Ovalness; spec. degree of deviation from a circular or spherical shape or cross-section.
ΘΚΠ
the world > space > shape > curvature > roundness > [noun] > oval or elliptical quality
ovality1687
ovalness1727
ellipticity1754
1687 J. Flamsteed Let. 19 Dec. in Corr. (1997) II. 372 Without any allowance for the ovality of the shadow which ought to have beene considered.
1823 E. Nares Heraldic Anomalies II. 337 The squareness, ellipticity, or ovality of others.
1863 Sci. Amer. 16 May 310/2 The mechanical arrangement of the machine has been questioned by Mr. La Mountain in regard to preserving the ovality of the sphere; that this is very readily obtained by the insertion of stays internally will be apparent to all.
1914 Biometrika 10 145 We may consider O a measure of the ovality, and we have correlated O for eggs of the same clutch.
1947 Times 30 Sept. 3/2 The gauge is used to check the internal diameter of the bore in the body of the injector, and reveals any ovality, taper, barrel-shape, or bell-mouth inaccuracies.
1976 Drive Nov. 61/2 A rake-adjustable steering column and slight steering wheel ovality.
1986 Offshore Engineer Sept. 41/1 This subsea operation was carried out by means of a prefabricated measurement jig with ovality gauges.
This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).
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n.1687