fluorescent lamp

English

Etymology

From fluorescent (adjective) +‎ lamp (noun).

Noun

fluorescent lamp (plural fluorescent lamps)

  1. A gas-discharge lamp that uses fluorescence to produce visible light, especially one consisting of a tube filled with mercury vapour which emits ultraviolet radiation when an electric current is passed through it, causing fluorescence when the radiation hits a phosphor coating on the interior of the tube.
    Synonym: (South Asia) tubelight

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