srp: триода

Information
has URI	http://lexvo.org/id/term/srp/%D1%82%D1%80%D0%B8%D0%BE%D0%B4%D0%B0

Meaning
means	(noun) a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible triode