| 单词 | filament lamp |
| 释义 | > as lemmasfilament lamp filament lamp n. an electric light bulb in which the light is produced by an incandescent filament. ΘΚΠ the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > electric light > [noun] > filament lamp filament lamp1885 1885 Proc. Royal Soc. 1884–5 38 220 The lamp..was a short (75 mm.) filament lamp, with a platinum plate. 1908 Chem. Abstr. 2 1929 The hourly expense of the metallic filament lamp is 60% less than that of the carbon. 1952 H. Hewitt Mod. Lighting Technique 33 This rapid development in electric lamps has derived from the employment of several different principles, the incandescence of the filament lamp being followed by the luminescence of the discharge tube. < as lemmas |
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