An incandescent lamp containing a small quantity of halogen (usually bromine) to reduce deposition on the glass
A halogen lamp, also known as a tungsten halogen lamp or quartz iodine lamp, is an incandescent lamp that has a small amount of a halogen such as iodine or bromine added. The combination of the halogen gas and the tungsten filament produces a halogen cycle chemical reaction which redeposits evaporated tungsten back onto the filament, increasing its life and maintaining the clarity of the envelope. Because of this, a halogen lamp can be operated at a higher temperature than a standard gas-filled lamp of similar power and operating life, producing light of a higher luminous efficacy and color temperature. The small size of halogen lamps permits their use in compact optical systems for projectors and illumination.
The numerical value of halogen lamp in Chaldean Numerology is: 9
The numerical value of halogen lamp in Pythagorean Numerology is: 5
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"halogen lamp." Definitions.net. STANDS4 LLC, 2017. Web. 26 May 2017. <http://www.definitions.net/definition/halogen lamp>.