- sodium-vapour light
- натриевая лампа (для освещения дорог)
Англо-русский словарь по машиностроению. 2014.
sodium-vapour light
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sodium-vapour lamp — ▪ instrument electric discharge lamp using ionized sodium, used for street lighting and other illumination. A low pressure sodium vapour lamp consists of a glass shell with metal electrodes, filled with neon gas and a little sodium. When… … Universalium
sodium-vapour lamp — (also sodium lamp) noun a lamp in which an electrical discharge in sodium vapour gives a yellow light … English new terms dictionary
sodium-vapour lamp — /soʊdiəm ˈveɪpə læmp/ (say sohdeeuhm vaypuh lamp) noun an electric lamp in which sodium vapour is activated by current passing between two electrodes, producing a yellow, glareless light which is widely used for street lighting. Also, sodium… …
sodium-vapour lamp — noun lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting • Syn: ↑sodium vapor lamp • Hypernyms: ↑lamp … Useful english dictionary
sodium — /soh dee euhm/, n. 1. Chem. a soft, silver white, metallic element that oxidizes rapidly in moist air, occurring in nature only in the combined state, and used in the synthesis of sodium peroxide, sodium cyanide, and tetraethyllead: a necessary… … Universalium
sodium — n. Chem. a soft silver white reactive metallic element, occurring naturally in soda, salt, etc., that is important in industry and is an essential element in living organisms. Usage: Symb.: Na. Phrases and idioms: sodium bicarbonate a white… … Useful english dictionary
sodium lamp — noun or sodium vapor lamp : a gas discharge lamp using sodium vapor and designed especially for lighting highways * * * Elect. See sodium vapor lamp. * * * sodium lamp noun A street lamp using sodium vapour and giving orange or yellow light • • • … Useful english dictionary
sodium vapor lamp — noun a street lamp in which electricity is passed through sodium vapour to emit a yellow light Syn: sodium lamp … Wiktionary
sodium-vapor lamp — noun lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting • Syn: ↑sodium vapour lamp • Hypernyms: ↑lamp … Useful english dictionary
Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution … Wikipedia
Street light — A street light, lamppost, street lamp, light standard or lamp standard, is a raised source of light on the edge of a road, turned on or lit at a certain time every night. Modern lamps may also have light sensitive photocells to turn them on at… … Wikipedia
