fluorescent lamp
noun Date: 1896 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

New Collegiate Dictionary. 2001.

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  • fluorescent lamp — Lamp Lamp (l[a^]mp), n. [F. lampe, L. lampas, adis, fr. Gr. ?, ?, torch, fr. ? to give light, to shine. Cf. {Lampad}, {Lantern}.] 1. A light producing vessel, device, instrument or apparatus; formerly referring especially to a vessel with a wick… …   The Collaborative International Dictionary of English

  • fluorescent lamp — ☆ fluorescent lamp or fluorescent tube n. a glass tube coated on the inside with a fluorescent substance that gives off a bright light (fluorescent light) when a vapor, usually mercury vapor, in the tube is acted upon by a stream of electrons… …   English World dictionary

  • Fluorescent lamp — A fluorescent lamp or fluorescent tube is a gas discharge lamp that uses electricity to excite mercury vapor. The excited mercury atoms produce short wave ultraviolet light that then causes a phosphor to fluoresce, producing visible light.Unlike… …   Wikipedia

  • fluorescent lamp — noun lamp consisting of a tube coated on the inside with a fluorescent material; mercury vapor in the tube emits ultraviolet radiation that is converted to visible radiation by the fluorescent material • Hypernyms: ↑lamp * * * noun : a tubular… …   Useful english dictionary

  • Fluorescent lamp —   A glass enclosure in which light is produced when electricity is passed through mercury vapor inside the enclosure. The electricity creates a radiation discharge that strikes a coating on the inside surface of the enclosure, causing the coating …   Energy terms

  • fluorescent lamp — a tubular electric discharge lamp in which light is produced by the fluorescence of phosphors coating the inside of the tube. [1895 1900] * * * Type of electric discharge lamp consisting of a glass tube filled with a mixture of argon and mercury… …   Universalium

  • fluorescent lamp — liuminescencinė lempa statusas T sritis chemija apibrėžtis Lempa, kurioje šviečia dujinio išlydžio sužadintas liuminoforas. atitikmenys: angl. fluorescent lamp; luminescence lamp; luminescent lamp rus. люминесцентная лампа …   Chemijos terminų aiškinamasis žodynas

  • fluorescent lamp — fluorescencinė lempa statusas T sritis fizika atitikmenys: angl. fluorescent lamp vok. Fluoreszenzlampe, f rus. флуоресцентная лампа, f pranc. lampe à fluorescence, f; lampe fluorescente, f …   Fizikos terminų žodynas

  • fluorescent lamp — fluores′cent lamp′ n. elm a tubular electric discharge lamp in which light is produced by the fluorescence of phosphors coating the inside of the tube • Etymology: 1895–1900 …   From formal English to slang

  • fluorescent lamp — glass tube coated on the inside with a fluorescent substance that gives off light …   English contemporary dictionary

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