quartz-halogen bulb
1quartz-halogen bulb — A bulb with an inner quartz bulb which holds a tungsten filament. Usually the inner bulb contains an inert gas such as iodine or one of the other five halogen gases. The use of a halogen gas prevents the bulb from turning black and thus reducing… …
2quartz halogen bulb — See quartz halogen bulb …
3halogen bulb — A bulb containing a trace of a halogen, such as iodine. A halogen bulb gives off a brighter light. Also see quartz halogen bulb …
4tungsten-halogen bulb — A quartz halogen bulb with a tungsten filament …
5quartz halogen lamp — noun an incandescent light bulb in which the envelope is made of quartz instead of glass, and the filament is surrounded by an atmosphere of a halogen …
6bulb — 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… …
7halogen — One of the chemical elements fluorine, chlorine, bromine, iodine, or astatine. Also see quartz halogen bulb …
8Halogen lamp — A halogen lamp is an incandescent lamp in which a tungsten filament is sealed into a compact transparent envelope filled with an inert gas, plus a small amount of halogen such as iodine or bromine. The halogen cycle increases the lifetime of the… …
9quartz lamp — noun a mercury vapor lamp that is enclosed in a quartz container instead of a glass container • Hypernyms: ↑mercury vapor lamp * * * noun : a mercury vapor lamp in a tube of quartz glass that transmits most of the ultraviolet radiation * * * a… …
10quartz-iodine lamp — ¦ ̷ ̷ ¦ ̷ ̷ ̷ ̷ ̷ ̷ noun : an incandescent lamp that has a quartz bulb and a tungsten filament and that contains iodine which reacts with the vaporized tungsten to prevent excessive blackening of the bulb * * * quartz lamp, quartz halogen lamp… …
