| 释义 |
exciter|ɛkˈsaɪtə(r)|
Also 5 excitour. Cf. excitor.
[f. excite v. + -er1.]
1. One who, or that which, excites; † an instigator.
1387Trevisa Higden (Rolls) VIII. 267 Lewelynes broþer David..þat was exciter [L. incentor] of all þis woo. c1400Test. Love i. (1560) 277/2 Excitours to the matters were so painted and coloured, that etc. 1617Collins Def. Bp. Ely ii. ix. 360 He would haue relligion to be..an exciter..of our reuerence to Saints. 1795Hist. in Ann. Reg. 89 Exciters of the insurrection. 1812Shelley in Hogg Life (1858) II. 58 The personal exciter and strengthener of my virtuous habits. 1862R. H. Patterson Ess. Hist. & Art 325, I am simply looking upon War as the strongest exciter of the human mind.
2. Med. An excitant; a stimulant.
1832in Webster; whence in mod. Dicts.
3. Electr. An apparatus to produce excitation; a machine, as a small auxiliary dynamo, used to energize the field magnets of a dynamo; a device to charge the plates of an electrostatic generator; a sparking device to generate electric waves. Also attrib.
1885W. Garnett Physicists 318 The idea which occurred to Siemens, Varley, and Wheatstone was to use the whole, or a part, of the current produced by the armature to excite its own electro-magnet, and thus to dispense with the magneto-electric machine which served as the separate exciter. 1902Encycl. Brit. XXVII. 592/2 A small auxiliary continuous-current dynamo, called an exciter. 1930Engineering 24 Jan. 97/2 The generator is of the standard vertical-shaft type with direct connected exciter. 1940Chambers's Techn. Dict. 314/1 Exciter lamp, the electric lamp for providing the light to be modulated for recording sound photographically on a sound-track, or the light-source for modulation by the sound-track in the sound-head of a projector. 1959Times 16 Oct. 15/5 The exciters are gear-driven from the generator shaft. |