| 释义 |
sphericity|sfɛˈrɪsɪtɪ|
Also 7 sphæricity.
[ad. mod.L. sphēr-, sphæricitās: see spheric a. and -ity. So F. sphéricité, It. sfericità, Sp. esfericidad, Pg. -idade.]
†1. A spherical body or figure. Obs.—1
1625N. Carpenter Geogr. Del. ii. vii. 111 Such a sphericity as hath the same center with the center of the Earth.
2. The quality of being spherical or having the form of a sphere.
1625N. Carpenter Geogr. Del. i. ii. 38 The reasons..that in generall proue the Sphæricity of the Terrene globe are diuers. Ibid. ii. v. 70 Forasmuch as this hath little or no proportion to the vast Sphæracity [sic] of the Water. 1650Bulwer Anthropomet. 20 By some device to have their Heads..rounded, that they may obtain a perfect Sphericity. 1719Phil. Trans. XXX. 1089 The Sphericity of the drops of Rain. 1789Belsham Ess. I. xix. 370 Sphericity..is a property belonging to a complete globe. 1809Hutton in Encycl. Metrop. (1845) III. 476/1 Let two large glasses, of convenient sphericities, be placed at proper distances. 1866Cornhill Mag. Aug. 164 Tastes differ about the colour of pearls... At Bombay those of yellow hue and perfect sphericity are preferred. 1881Nature XXIII. 398 The sphericity characteristic of the liquid state.
b. Of numbers: (see spherical a. 1 c.)
1658Sir T. Browne Gard. Cyrus 70 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 denomination. |