| 单词 | protrusion |
| 释义 | protrusion|prəʊˈtruːʒən|
[a. F. protrusion, ad. L. type *prōtrūsiōn-em, n. of action f. prōtrūd-ĕre to protrude.]
1. The action of protruding (in various senses of the vb.); the fact or condition of being protruded.
†a. Thrusting forward or onward. Obs.
1646Sir T. Browne Pseud. Ep. vii. xviii. 381 He was..not to bee removed by the force or protrusion of three men. 1660Boyle New Exp. Phys. Mech. i. 21 You will finde the Sucker forcibly carryed up to the top of the Cylinder, by the protrusion of the external Air. 1727Bradley Fam. Dict. s.v. Cantharides, Such Motions as are necessary for the Protrusion forwards or Ejectment of the Water.
b. The action of thrusting or pushing out an attached part; the condition of being protruded.
1646Sir T. Browne Pseud. Ep. iii. xvii. 148 That the distinctive parts of sexes are onely different in position, that is inversion or protrusion. 1783Pott Chirurg. Wks. II. 13 The falling down or protrusion of some part. 1833Lyell Princ. Geol. III. 340 The notion of deluges accompanying the protrusion of mountain-chains. 1880C. & F. Darwin Movem. Pl. 62 Shortly before the protrusion of the leaves.
c. The fact of projecting or jutting out.
1853Kane Grinnell Exp. viii. (1856) 56 The protrusion of these abutting faces into the waters of the sound.
2. concr. That which protrudes or juts out; a protruded part, a protuberance, a prominence.
1704Swift T. Tub xi. Wks. 1760 I. 123 [They] looked upon all extraordinary dilatations of that member as protrusions of zeal, or spiritual excrescencies. 1805Med. Jrnl. XIV. 19 Between this ridge and the protrusion above-mentioned. 1862S. Lucas Secularia 96 The fantastic gables, pinnacles, and protrusions, which intercepted the light. 1884Bower & Scott De Bary's Phaner. 66 They..are covered by a protrusion of the epidermis. |
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
相关内容11：
相关热词搜索：protrusion英英词典英英释义英语词汇意思用法释义英语
字词 封建法律 释义 【法】 feudel law 汉译英翻译词典收录405719条汉英翻译词条，基本涵盖了......
字词 导套 释义 【机】 guide bushing 汉译英翻译词典收录405719条汉英翻译词条，基本涵盖了全......
字词 导子 释义 【医】 director 汉译英翻译词典收录405719条汉英翻译词条，基本涵盖了全部常......
字词 封建法院 释义 【法】 feudal court 汉译英翻译词典收录405719条汉英翻译词条，基本涵盖......
字词 封建法学家 释义 feudist\n【法】 feudist 汉译英翻译词典收录405719条汉英翻译词条，基......
单词 prosthion 释义 prosthion Anat.|prsin|[Neut. of Gr. foremost (f. before, in front): ......