sphericityn.

/sfɛˈrɪsɪti/

Forms: Also 1600s sphæricity.

Etymology: < modern Latin sphēr-, sphaericitās: see spheric adj. and -ity suffix. So French sphéricité, Italian sfericità, Spanish esfericidad, Portuguese -idade.

†1. A spherical body or figure. Obsolete. rare.

ΘΚΠ

the world > space > shape > curvature > curved three-dimensional shape or body > [noun] > sphericity or globularity

rotunditya1513

globosity1577

sphericity1625

sphericalness1644

orbicularity1653

globulousness1665

sphericality1669

globularness1715

globularity1750

burl1876

spherality1890

bulbosity1901

1625 N. Carpenter Geogr. Delineated ii. vii. 111 Such a sphæricity as hath the same center with the center of the Earth.

a. The quality of being spherical or having the form of a sphere.

ΘΚΠ

the world > space > shape > curvature > curved three-dimensional shape or body > [noun] > sphericity or globularity > sphere

spherea1398

sphericity1625

spherical1652

1625 N. Carpenter Geogr. Delineated i. ii. 38 The reasons..that in generall proue the Sphæricity of the Terrene globe are diuers.

1625 N. Carpenter Geogr. Delineated ii. v. 70 Forasmuch as this hath little or no proportion to the vast Sphæracity [sic] of the Water.

1650 J. Bulwer Anthropometamorphosis 20 By some device to have their Heads..rounded, that they may obtain a perfect Sphericity.

1720 Philos. Trans. 1717–19 (Royal Soc.) 30 1089 The Sphericity of the drops of Rain.

1789 W. Belsham Ess. I. xix. 370 Sphericity..is a property belonging to a complete globe.

a1830 P. Barlow Optics in Encycl. Metrop. (1845) III. 476/1 Let two large glasses, of convenient sphericities, be placed at proper distances.

1866 Cornhill Mag. Aug. 164 Tastes differ about the colour of pearls... At Bombay those of yellow hue and perfect sphericity are preferred.

1881 Nature 24 Feb. 398/2 The sphericity of the liquid state.

b. Of numbers: (see spherical adj. 1c).

ΘΚΠ

the world > relative properties > number > mathematical number or quantity > [noun] > produced in a certain way > circular or spherical numbers

spherical number1646

sphericity1658

circular number1796

1658 Sir T. Browne Garden of Cyrus v, in Hydriotaphia: Urne-buriall 193 For the stability of this Number, he shall not want the sphericity of its nature, which multiplied in it self, will return into its own denominatio[n].

This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2021).

单词	sphericity
释义	sphericityn. /sfɛˈrɪsɪti/ Forms: Also 1600s sphæricity. Etymology: < modern Latin sphēr-, sphaericitās: see spheric adj. and -ity suffix. So French sphéricité, Italian sfericità, Spanish esfericidad, Portuguese -idade. †1. A spherical body or figure. Obsolete. rare. ΘΚΠ the world > space > shape > curvature > curved three-dimensional shape or body > [noun] > sphericity or globularity rotunditya1513 globosity1577 sphericity1625 sphericalness1644 orbicularity1653 globulousness1665 sphericality1669 globularness1715 globularity1750 burl1876 spherality1890 bulbosity1901 1625 N. Carpenter Geogr. Delineated ii. vii. 111 Such a sphæricity as hath the same center with the center of the Earth. 2. a. The quality of being spherical or having the form of a sphere. ΘΚΠ the world > space > shape > curvature > curved three-dimensional shape or body > [noun] > sphericity or globularity > sphere spherea1398 sphericity1625 spherical1652 1625 N. Carpenter Geogr. Delineated i. ii. 38 The reasons..that in generall proue the Sphæricity of the Terrene globe are diuers. 1625 N. Carpenter Geogr. Delineated ii. v. 70 Forasmuch as this hath little or no proportion to the vast Sphæracity [sic] of the Water. 1650 J. Bulwer Anthropometamorphosis 20 By some device to have their Heads..rounded, that they may obtain a perfect Sphericity. 1720 Philos. Trans. 1717–19 (Royal Soc.) 30 1089 The Sphericity of the drops of Rain. 1789 W. Belsham Ess. I. xix. 370 Sphericity..is a property belonging to a complete globe. a1830 P. Barlow Optics in Encycl. Metrop. (1845) III. 476/1 Let two large glasses, of convenient sphericities, be placed at proper distances. 1866 Cornhill Mag. Aug. 164 Tastes differ about the colour of pearls... At Bombay those of yellow hue and perfect sphericity are preferred. 1881 Nature 24 Feb. 398/2 The sphericity of the liquid state. b. Of numbers: (see spherical adj. 1c). ΘΚΠ the world > relative properties > number > mathematical number or quantity > [noun] > produced in a certain way > circular or spherical numbers spherical number1646 sphericity1658 circular number1796 1658 Sir T. Browne Garden of Cyrus v, in Hydriotaphia: Urne-buriall 193 For the stability of this Number, he shall not want the sphericity of its nature, which multiplied in it self, will return into its own denominatio[n]. This entry has not yet been fully updated (first published 1914; most recently modified version published online June 2021). < n.1625
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