an electrical device in which current flow is by electrons and ions in an ionized gas, as in a fluorescent light or neon tube
discharge tube in American English
Electricity
1.
any of various devices in which a gas or metal vapor inside sealed glass is used to conduct current when voltage is applied
2.
such a device used as a lamp (discharge lamp), as with neon or mercury vapor
discharge tube in Electrical Engineering
(dɪstʃɑrdʒ tub)
Word forms: (regular plural) discharge tubes
noun
(Electrical engineering: General)
A discharge tube is an electrical device in which current flow is by electrons and ions in an ionizedgas, as in a fluorescent light or a neon tube.
A gas discharge tube is a sealed glass-enclosed device containing a special gas mixture trapped betweentwo electrodes, which conducts electric current after becoming ionized by a high voltagespike.
A discharge tube is an arrangement of electrodes in a gas within an insulating, temperature-resistantenvelope.
A discharge tube is an electrical device in which current flow is by electrons and ions in an ionizedgas, as in a fluorescent light or a neon tube.