gas-discharge tube

/gæs tub/

Definitions of gas-discharge tube

1. noun

   a tube in which an electric discharge takes place through a gas
   types:

   CRT, cathode-ray tube

   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

   Crookes tube

   the original gas-discharge cathode-ray tube

   kinescope, picture tube, television tube

   a cathode-ray tube in a television receiver; translates the received signal into a picture on a luminescent screen

   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