noun
Usage: usually capitalized S
: the increase of the thermionic current in a vacuum tube with the increase of the applied potential between the cathode and anode due to a lowering of the energy required to remove electrons from the cathode
noun
Usage: usually capitalized S
: the increase of the thermionic current in a vacuum tube with the increase of the applied potential between the cathode and anode due to a lowering of the energy required to remove electrons from the cathode
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012