fluorescent bulb

fluorescent bulb
glass tube coated on the inside with a fluorescent substance that gives off light

English contemporary dictionary. 2014.

Look at other dictionaries:

  • bulb´less — bulb «buhlb», noun, verb. –n. 1. a round, underground bud consisting of a small stem covered with thick, fleshy leaves from which certain plants grow. Onions, tulips, and lilies grow from bulbs. 2. any plant that has a bulb or grows from a bulb.… …   Useful english 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 — adj. (of a substance) having or showing fluorescence. Phrases and idioms: fluorescent lamp (or bulb) a lamp or bulb radiating largely by fluorescence, esp. a tubular lamp in which phosphor on the inside surface of the tube is made to fluoresce by …   Useful english dictionary

  • bulb — bulbed, adj. bulbless, adj. /bulb/, n. 1. Bot. a. a usually subterranean and often globular bud having fleshy leaves emergent at the top and a stem reduced to a flat disk, rooting from the underside, as in the onion and lily. b. a plant growing… …   Universalium

  • bulb — noun 1 part of an electric lamp ADJECTIVE ▪ electric ▪ light ▪ 100 watt, 60 watt, etc. ▪ bare, naked …   Collocations dictionary

  • Fluorescent light bulbs —   These are usually long, narrow, white tubes made of glass coated on the inside with fluorescent material, which is connected to a fixture at both ends of the light bulb; some are circular tubes. The light bulb produces light by passing… …   Energy terms

  • 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 — adj. Fluorescent is used with these nouns: ↑bulb, ↑dye, ↑lamp, ↑light, ↑lighting, ↑pink, ↑tube, ↑vest …   Collocations dictionary

  • bulb — I (New American Roget s College Thesaurus) n. knob, globe; tuber, corm; lamp. See convexity, vegetable, light, rotundity. II (Roget s IV) n. Syn. globe, globule, ball, knob, nodule, corn, nub, tuber, bulbil, tubercle, corm, protuberance, head,… …   English dictionary for students

  • Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe …   Wikipedia

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