electric bulb
Thomas Alva Edison

Inventors, Inventions . 2014.

Look at other dictionaries:

  • electric bulb — bulb shaped object which gives off light via an electrical current …   English contemporary dictionary

  • bulb — [bulb] n. [ME < L bulbus < Gr bolbos] 1. an underground bud that sends down roots and consists of a very short stem covered with leafy scales or layers, as in a lily, onion or hyacinth 2. a corm, tuber, or tuberous root resembling a bulb,… …   English World dictionary

  • Electric heating — is any process in which electrical energy is converted to heat. Common applications include heating of buildings, cooking, and industrial processes. An electric heater is an electrical appliance that converts electrical energy into heat. The… …   Wikipedia

  • 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

  • Electric power — is defined as the rate at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt.When electric current flows in a circuit, it can transfer energy to do mechanical or thermodynamic work. Devices convert… …   Wikipedia

  • electric light bulb — electric light bulb, = incandescent lamp. (Cf. ↑incandescent lamp) …   Useful english dictionary

  • bulb — noun 1 part of an electric lamp ADJECTIVE ▪ electric ▪ light ▪ 100 watt, 60 watt, etc. ▪ bare, naked …   Collocations 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 — n. light bulb 1) to change, put in, screw in (AE) a bulb 2) a bulb blows out; burns out 3) an electric; frosted; light; three way bulb 4) the glare of a bulb tuber 5) a crocus; tulip bulb * * * [bʌlb] bums out frosted light …   Combinatory dictionary

  • 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… …   Australian English dictionary

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