fluorescent lamp
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.fluorescent lamp
nounDefinition of FLUORESCENT LAMP
: a usually tubular electric lamp having a coating of fluorescent material on its inner surface and containing mercury vapor whose bombardment by electrons from the cathode provides ultraviolet light which causes the material to emit visible light
See First Known Use of FLUORESCENT LAMP
1896
fluorescent lamp
noun (Concise Encyclopedia)Type of electric discharge lamp consisting of a glass tube filled with a mixture of argon and mercury vapor. A current of electricity causes the vapor to produce ultraviolet radiation that, in turn, excites a phosphor coating on the inside of the tube, causing it to fluoresce, or reradiate the energy as visible light. Fluorescent lamps are cooler and more efficient than incandescent lamps. They are commonly installed with diffusers as part of a suspended ceiling system. See also fluorescence.
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