| electric discharge in which the secondary emission from the cathode is much greater than the thermionic emission Note 1 to entry: The glow discharge is characterized by a considerable cathode fall (typically 70 V or more) and by low current density at the cathode (some 10 A·m−2). Note 2 to entry: This entry was numbered 845-07-12 in IEC 60050-845:1987.
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