(from the article `lamp`) Glow lamps are very low-power electric discharge lamps, with large metal electrodes in an atmosphere of neon. The neon glows orange near the negative ... The glow lamp, used as an indicator or a night-light, contains a high-resistance filament in a small bulb. The voltage difference between plates at ... [2 ...
[n] - a gas-discharge tube consisting of a cold cathode and a diode in a tube filled with gas
noun a gas-discharge tube with a hot cathode; used in stroboscopes
a vacuum tube containing a gas that is ionized by the electrons, giving a visible glow.