| 单词 |
ungula |
| 释义 |
‖ ungula|ˈʌŋgjʊlə|
[L. ungula claw, hoof, f. unguis nail, unguis.]
†1. = onycha, onyx 2. Obs.
1382Wyclif Ecclus. xxiv. 21 [15], Galban, and vngula, and gutta [1388 vngula, and gumme].
†2. A morbid growth in the eye; = onyx 3, pterygium 2 a. Obs.
c1400Lanfranc's Cirurg. 19 Vngula is a þing, þat bigynneþ bi þe nose & goiþ over þe iȝe til he keuere al þe iȝe. 1597A. M. tr. Guillemeau's Fr. Chirurg. c ij b/1 When we desire to cut of[f] an Vngula. Ibid. c ij b/2 An Eye, in the which is an Vngula. 1693tr. Blancard's Phys. Dict. (ed. 2), Pterygium,..a membranous Excrescence above the horny Tunic of the Eye, called Unguis and Ungula.
†3. = unguis 3. Obs.—0
1693tr. Blancard's Phys. Dict. (ed. 2), Ungula, a sort of hooked Instrument to draw a dead Fœtus out of the Womb.
4. Geom. (See quots.)
1710J. Harris Lex. Techn. II, Ungula, in Geometry, is the Section of a Cylinder cut off by a Plane, which passes obliquely thro' the Plane of the Basse, and part of the Cylindric Surface. 1824–5Encycl. Metrop. (1845) I. 362/1 A spherical wedge or ungula is that portion of the solid sphere, which is included between the same great semicircles, and has the lune for its base. 1843Penny Cycl. XXV. 514/2 The hoof of a horse looks like the part of a cone which is separated from the part containing the vertex by an oblique plane. Hence such a solid is called an ungula. |
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