neon lamp

neon lamp
noun
a lamp consisting of a small gas-discharge tube containing neon at low pressure; luminescence is produced by the action of currents at high frequencies that are wrapped a few turns around the tube
• Hypernyms: ↑lamp

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noun also neon light or neon tube
: a gas-discharge lamp in which the electrical discharge takes place through a mixture of gases containing a large proportion of neon

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a gas-discharge bulb containing two electrodes in neon gas and emitting a glow when a voltage is applied across the electrodes.
[1910-15]

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neon lamp or neon light noun
1. An electric discharge lamp containing neon, giving a red glow, used eg for advertising signs
2. (loosely) one of a variety of tubular fluorescent lamps giving light of various colours
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Main Entry: ↑neon

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neon lamp or neon light,
a glass tube filled with neon gas and containing two electrodes instead of a filament. When voltage is applied to the electrodes, an electric discharge occurs and the gas glows fiery red.

Useful english dictionary. 2012.

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