| 单词 |
spiric |
| 释义 |
spiric, a. and n. Geom. rare.|ˈspaɪərɪk| [ad. Gr. σπειρικ-ός, f. σπεῖρα spire n.3 Cf. F. spirique.] a. adj. Of or pertaining to, having the form of, a tore or torus. b. n. A plane section of a torus.
1788T. Taylor Proclus I. 134 But, with respect to these sections, the conic were invented by Menæchmus,..But the spiric by Perseus. 1891in Cent. Dict. So † ˈspirical a. Obs.—1
1788T. Taylor Proclus I. 134 Conic, or spirical sections are generated from a particular section of solids. |

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