| 释义 |
▪ I. bushing, vbl. n.1|ˈbʊʃɪŋ|
[f. bush v.1]
1. Training on bushes (obs.), setting with bushes.
c1420Pallad. on Husb. xi. 33 Trailyng, repairyng, bosshyng vyne clene. 1843Carlyle Past & Pr. ii. iii. (1872) 46 We hear not..by what methods he preserved his game, whether by ‘bushing’ or how. 1875‘Stonehenge’ Brit. Sports i. 1. i. §5. 7 Bushing the stubbles interferes with the drag-net.
2. Growing bushy; forming a bush.
1597Gerard Herbal 739 The goodly shadowe which they make with their thicke bushing and clyming. 1610W. Folkingham Art of Survey i. iii. 6 The braunching and bearing of Plants, Bushing of Shrubs.
▪ II. bushing, vbl. n.2|ˈbʊʃɪŋ|
[f. bush n.2 and v.3 + -ing1.]
1. The operation of fitting a hole with a bush. Also concr. = bush n.2 1. spec. in Electr., an insulating device.
1794Rigging & Seamanship I. 154 Bushing is letting through the middle of a sheave a cylindrical piece of metal, with a hole through its centre, to admit the pin..on which the sheave turns. 1839R. S. Robinson Naut. Steam Eng. 81 The brass bushing of the strap. 1864Webster, Bushing, a thimble; sometimes called a bush. 1896R. Robb Electric Wiring v. 151 Where the cord enters the socket there is gradual wear of the insulation by abrasion unless the hole is bushed with an ‘insulating bushing’. 1934Times 28 Feb. 8/6 The failure was caused by a flash-over on a transformer bushing at Croydon sub-station. 1943Electronic Engin. XV. 410 Components like bushings..where metal parts have to be affixed to the porcelain insulator. 1957New Scientist 23 May 24/1 The glass thus formed flows into the forehearth and then into platinum bushings, which are heated electrically to keep the glass fluid.
2. Watchmaking. See bouchon.
▪ III. bushing, ppl. a.|ˈbʊʃɪŋ|
[f. bush v.1 + -ing2.]
Growing or spreading like a bush.
1608Tourneur Rev. Traj. v. iii, That bushing-staring star. 1688R. Holme Armoury ii. 89/2 Fine leaves, bushing and spreading over the ground. 1725Pope Odyss. ix. 164 The bushing alders form'd a shady scene. |