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“lamp”
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“lamp”
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“lamp”
arc lamp
An electric light in which a current produces light when an arc traverses the gap between two incandescent electrodes in a container filled with a gas; such as, xenon.
Arc lamps are used to produce intense light; such as, in spotlights and to produce heat for welding.
electric arc lamp, electric-arc lamp, arc lamp
1. An electric lamp in which the light is produced by an arc made when current flows through ionized gas between two electrodes.
2. A general term for a class of lamps which produce light by an electric arc or a voltaic arc.
The lamp consists of two electrodes, typically made of tungsten, that are separated by a gas.
electric discharge lamp, electric-discharge lamp, discharge lamp, gas-discharge lamp, vapor lamp
1. An electric lamp in which the light comes from an electric discharge between two electrodes in a glass tube.
2. A lamp in which light is produced by an electric discharge between electrodes in a gas (or vapor) at low or high pressure.
3. A lamp that uses the transmission of an electric current through a gas or vapor to produce illumination. Neon, mercury and argon lamps are examples of electric-discharge lamps.
4. A lamp whose light is produced by current flow through a gas or vapor in a sealed glass enclosure.
Examples of these lamps include argon glow, mercury-vapor, neon glow, and sodium-vapor.
electric lamp, electric lamps
An electric lamp in which light is produced; such as, an incandescent lamp, arc lamp, glow lamp, or fluorescent lamp, all of which produces and projects light when voltage is applied across the terminals.
electroluminescent lamp
(s) (noun), electroluminescent lamps
(pl)An appliance which provides light for rooms and is designed in the shape of a panel that is decorative as well as functional, providing radiance to various areas: An
electroluminescent lamp is made up primarily of a capacitor having a ceramic dielectric with electroluminescent phosphor.
The amount of illumination of an electroluminescent lamp is determined by the voltage across the layer and by the frequency applied to it.
terra cotta lamp
(s) (noun), terra cotta lamps
(pl)A historic type of lamp made from an unglazed, lightweight clay material that is typically red in color: Terra cotta lamps are believed to have been first used in ancient Greece in about 600 B.C.
Word Entries at Get Words containing the term:
“lamp”
fluorescent lamp
A glass enclosure in which light is produced when electricity is passed through mercury vapor inside the enclosure.
The electricity creates a radiation discharge that strikes a coating on the inside surface of the enclosure, causing the coating to glow.
Traditional fluorescent lamps are usually straight or circular white glass tubes used in fixtures specially designed for them.
A newer type of fluorescent lamp, the compact fluorescent lamp, takes up much less room, comes in many differently-shaped configurations, and is designed to be used in some fixtures originally intended to hold incandescent lamps.
incandescent lamp
A glass enclosure in which light is produced when a tungsten filament is electrically heated so that it glows.
Much of the energy is converted into heat; therefore, this class of lamp is a relatively inefficient source of light.
Included in this category are the familiar screw-in light bulbs, as well as somewhat more efficient lamps, such as tungsten halogen lamps, reflector or r-lamps, parabolic aluminized reflector (PAR) lamps, and ellipsoidal reflector (ER) lamps.
metal halide lamp
A type of high-intensity discharge (HID) lamp in which most of the light is produced by radiation of metal halide (chemical compound of a halogen) and mercury vapors in the arc tube, similar in construction and appearance to mercury vapor lamps.
The addition of metal halide gases results in higher light output, more lumens (unit of luminous flux) per watt, and better color rendition than from mercury gas alone.
