| 单词 |
arc-lamp |
| 释义 |
arc-lamp [See arc 5.] A lamp in which the light is produced by an electric arc. Also attrib.
1882J. Gordon Electr. Lighting 62 In arc lamps..the resistance which converts the current into heat, is that of the heated air between the ends of two carbon rods. 1906Daily Chron. 30 Nov. 7/3 The arc-lamp standards were torn up and twisted like straw. 1911Encycl. Brit. XVI. 659/2 F. P. É. Carré in France in 1876 began to manufacture arc lamp carbons of high quality from coke, lampblack and syrup. 1932C. Morgan Fountain i. 10 A steep bank already equipped with arc-lamps, sentry boxes and barbed wire. |

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