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gas
gas bladder
gas burner
gas chamber
gas chromatography
gas constant
gas-cooled reactor
gas-discharge tube
gas exchange
gas fitter
gas gangrene
gas gland
gas-guzzler
gas jet
gas law
gas-liquid chromatography
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gas-discharge tube
gas-dis·charge tube (plural gas-dis·charge tubes)


noun 
Definition:
 
light-emitting gas tube: a tube containing gas from which light is emitted when an electric current is passed through the gas atoms and excites them
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