enclosed arc lamp

См. также в других словарях:

• enclosed arc lamp — noun Etymology: enclosed from past participle of enclose : an arc lamp having electrodes protected from the atmosphere by a close fitting globe that much reduces their rate of consumption …   Useful english dictionary

• arc lamp — noun a lamp that produces light when electric current flows across the gap between two electrodes • Syn: ↑arc light • Hypernyms: ↑electric lamp • Hyponyms: ↑carbon arc lamp, ↑carbon arc * * * noun …   Useful english dictionary

• open arc lamp — noun : an arc lamp operated in the open air compare enclosed arc lamp …   Useful english dictionary

• Arc lamp — The electric arc in an arc lamp consists of gas which is initially ionized by a voltage and is therefore electrically conductive. To start an arc lamp, usually a very high voltage is needed to ignite or strike the arc. This requires an electrical …   Wikipedia

• mercury arc lamp — mercury vapor lamp, quartz lamp a lamp in which the arc is struck in mercury and is enclosed in a quartz burner; used in photodynamic therapy. The two most common types are the low pressure or cold quartz type and the high pressure or hot quartz… …   Medical dictionary

• 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

• arc light — noun a lamp that produces light when electric current flows across the gap between two electrodes • Syn: ↑arc lamp • Hypernyms: ↑electric lamp • Hyponyms: ↑carbon arc lamp, ↑carbon arc * * * noun …   Useful english dictionary

• arc light — 1. Also, arc lamp. a lamp in which the light source is a high intensity electric arc either between carbon rods in air or between metal electrodes in a xenon gas atmosphere enclosed in a quartz bulb. 2. the light produced by such a lamp. Cf.… …   Universalium

• incandescent lamp — a lamp that emits light due to the glowing of a heated material, esp. the common device in which a tungsten filament enclosed within an evacuated glass bulb is rendered luminous by the passage of an electric current through it. Cf. fluorescent… …   Universalium

• electric discharge lamp — or vapor lamp Lighting device consisting of a transparent container within which a gas is energized by an applied voltage and made to glow. After practical generators were devised in the 19th century, many experimenters applied electric power to… …   Universalium

• Oil lamp — Neolithic stone lamps in Thousand Lamp Museum in Qiandeng town of Kunshan …   Wikipedia