| 单词 | bleeder |
| 释义 | bleeder|ˈbliːdə(r)|
[f. bleed v. + -er1.]
1. a. One who draws blood.
1788H. Watson in Med. Commun. II. 276 These accidents..seldom hurt the reputation of the bleeder. 1823Lamb Elia (1860) 226 Submits to the scythe of the gentle bleeder Time. 1848Thackeray Van. Fair lxi, The bleeders and cuppers came.
b. One who extorts money. U.S.
1846Swell's Night Guide 114/1 Bleeder, a sponger. 1894Columbus (Ohio) Dispatch 5 Oct. The police of New York were not the only bleeders.
2. Med. A person subject to hæmophilia, i.e. disposed by natural constitution to bleed.
1803Otto Med. Repos. VI. 3 Some persons..suppose they can distinguish the bleeders..even in infancy. 1884Brit. Med. Jrnl. in Standard 4 Apr. 3/5 Free blood in the knee-joints of a bleeder.
3. low slang. A very stupid, unpleasant, or contemptible person; also transf.; also used inoffensively, preceded by little, poor, etc., = devil n. 4 c.
1887Sessions Paper 26 Apr. 16 Look out, Carry; don't let the bleeder take me. 1889Barrère & Leland Dict. Slang 134/2 (University), a ‘regular bleeder’ signifies a superlative duffer. 1902J. H. M. Abbott T. Cornstalk xi. 188 ‘Bleeder’..seemed to be a pet name for a typical low-class Londoner—a slum-dragger. 1913D. H. Lawrence Sons & Lovers xiii. 343 ‘What'll you have?’..‘Nowt wi' a bleeder like you!’ 1936J. Curtis Gilt Kid xxiv. 241 Give me the damn groin, you robbing bleeder. 1938L. MacNeice Earth Compels 59 His brother caught three hundred cran... Threw the bleeders back in the sea. 1952A. Baron With Hope, Farewell 44 She'll kill the poor little bleeder.
4. a. A pipe, valve, or the like used for ‘bleeding’ (see bleeding vbl. n. 3). Also attrib.
1893Funk's Stand. Dict., Bleeder..a pipe fitted on engines by which steam may be passed directly from the main steam-pipe to the condenser. Called also bleeder-pipe. 1910Hawkins's Electr. Dict. 38/2 Bleeder, a small cock or valve to draw off water of condensation from a range of piping.
b. Electr. A resistor, permanently connected across a voltage source to improve voltage regulation. In full, bleeder resistance or bleeder resistor. Also attrib.
1935Nilson & Hornung Pract. Radio Communication xiii. 609 The value of the bleeder resistance in transmitting circuits depends on conditions in the circuit. A value of bleeder current equal to 25 or 30 per cent of the total drain on the rectifier unit is used in many installations. 1953Electronic Engin. XXV. 202/1 The voltage across a small part of a..bleeder resistor. |
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