Energy terms . 2014.
Low-pressure sodium lamp — A type of lamp that produces light from sodium gas contained in a bulb operating at apartial pressure of 0.13 to 1.3 Pascal. The yellow light and large size make them applicable to lighting streets and parking lots. U.S. Dept. of Energy,… … Energy terms
Sodium vapor lamp — A sodium vapor lamp is a gas discharge lamp which uses sodium in an excited state to produce light. There are two varieties of such lamps: low pressure and high pressure . Low pressure sodium Low pressure sodium (LPS) lamps, also known as sodium… … Wikipedia
Lamp (electrical component) — A lamp is a replaceable component such as an incandescent light bulb, which is designed to produce light from electricity. These components usually have a base of ceramic, metal, glass or plastic, which makes an electrical connection in the… … Wikipedia
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
Gas-discharge lamp — See also: Gas filled tube Germicidal lamps are simple low pressure mercury vapor discharges in a fused quartz envelope. Gas discharge lamps are a family of artificial light sources that generate light by sending an electrical discharge through an … Wikipedia
Mercury-vapor lamp — Mercury Lamp redirects here. For the character in the Rozen Maiden anime and manga, see Characters of Rozen Maiden. A 175 watt mercury vapor yard light approximately 15 seconds after starting … Wikipedia
Metal-halide lamp — A metal halide gas discharge lighting system provides illumination for a college baseball game at Olsen Field in College Station, Texas, United States. Note the various colors of the lights as they warm up. Metal halide lamps, a member of the… … Wikipedia
High-intensity discharge lamp — A High intensity discharge (HID) lamp is a type of electrical lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina tube. This tube is filled… … Wikipedia
Metal halide lamp — Metal halide lamps, a member of the high intensity discharge (HID) family of lamps, produce high light output for their size, making them a compact, powerful, and efficient light source. Originally created in the late 1960 s for industrial use,… … Wikipedia
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
