filament bulb

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• filament bulb — See double filament bulb …   Dictionary of automotive terms

• double filament bulb — A light bulb with two filaments. For example a headlamp bulb with one for the high beam and another for the low beam; or a bulb with one filament for the stop light and another for the taillight …   Dictionary of automotive terms

• bulb — An electronic device which gives off light by the heating of an element contained with a glass enclosure. The metal base which conducts the electricity may be a barrel with locating pins, or it may have small filament wires protruding from the… …   Dictionary of automotive terms

• filament — A fine wire inside a light bulb that heats to incandescence when current passes through it. The filament produces the light. Also see double filament bulb …   Dictionary of automotive terms

• 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

• bulb — [bʌlb] n ↑filament, ↑thread [Date: 1500 1600; : Latin; Origin: bulbus, from Greek bolbos plant with a bulb ] 1.) the glass part of an electric light, that the light shines from = ↑light bulb ▪ a 100 watt bulb …   Dictionary of contemporary English

• filament — ► NOUN 1) a slender thread like object or fibre. 2) a metal wire in an electric light bulb, which glows white hot when an electric current is passed through it. 3) Botany the slender part of a stamen that supports the anther. DERIVATIVES… …   English terms dictionary

• filament — [fil′ə mənt] n. [Fr < ML filamentum < LL filare, to spin < L filum: see FILE1] 1. a very slender thread or fiber 2. a threadlike part; specif., a) the fine metal wire in a light bulb which becomes incandescent when heated by an electric… …   English World 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

• filament — filamented, adj. /fil euh meuhnt/, n. 1. a very fine thread or threadlike structure; a fiber or fibril: filaments of gold. 2. a single fibril of natural or synthetic textile fiber, of indefinite length, sometimes several miles long. 3. a long… …   Universalium

• bulb — /bʌlb / (say bulb) noun 1. Botany a. a storage organ, usually subterranean, having fleshy leaves and a stem reduced to a flat disc which roots from the underside, as in the onion, lily, etc. b. a plant growing from a bulb. 2. any round, enlarged… …