gas-discharge tube

Noun
  1. A tube in which an electric discharge takes place through a gas (synset 103427499)
    is a type of: electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube - electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
    subtypes:
    • cathode-ray tube, crt - a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen
    • glow lamp - a gas-discharge tube with a hot cathode; used in stroboscopes
    • glow tube - a gas-discharge tube consisting of a cold cathode and a diode in a tube filled with gas; the color of the glow depends on the particular gas

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