- incandescent lamp
- nounelectric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity• Hypernyms: ↑electric lamp• Part Meronyms: ↑filament
* * *noun also incandescent (-s): an electric lamp consisting essentially of a glass or quartz bulb evacuated or filled with an inert gas in which a filament commonly of tungsten gives off light when it is heated to incandescence by an electric current
* * *a lamp that emits light due to the glowing of a heated material, esp. the common device in which a tungsten filament enclosed within an evacuated glass bulb is rendered luminous by the passage of an electric current through it. Cf. fluorescent lamp.[1880-85]
* * *incandescent lamp nounOne whose light is produced by heating something to white heat, such as a filament resisting an electric current or a mantle heated by a flame• • •Main Entry: ↑incandesce
* * *incandescent lamp or incandescent bulb,a lamp containing a material that gives light by incandescence, especially an electric lamp with a filament of very fine wire that becomes white-hot and gives off light when current flows through it; light bulb: »
Mercury lamps provide a source of light two or three times as efficient as incandescent lamps (Science News Letter).
Useful english dictionary. 2012.