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neon lamp

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noun
  1. a gas-discharge bulb containing two electrodes in neon gas and emitting a glow when a voltage is applied across the electrodes.
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Origin of neon lamp

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for neon lamp

neon lamp

neon light

noun
  1. a glass bulb or tube containing neon at low pressure that gives a pink or red glow when a voltage is applied
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012