Answer: triode

AnswerCrossword Clue
TRIODEOld vacuum tube
TRIODEElectron tube
TRIODEA vacuum tube
TRIODECertain tube
TRIODEVacuum-tube type
TRIODEOld radio tube
TRIODECertain electron tube
TRIODETelevision tube
TRIODECertain vacuum tube
TRIODEElectron tube.
TRIODEOld TV component
TRIODEThree-part vacuum tube
TRIODEConsole radio part
TRIODEInvention of 1906
TRIODEControl grid's place
TRIODEAmplifier of radio signals
triodea type of electron tube
triodevacuum tube containing three elements, usually anode, cathode, and control grid
TRIODEType of vacuum tube
TRIODEVacuum tube type
TRIODEElectron tube type
TRIODEElectrical amplification device
TRIODEAmplifier component
TRIODEAmplifying tube
TRIODEThree-element vacuum tube
TRIODETransistor's forerunner
TRIODEOld computer tube
TRIODEVacuum tube
TRIODETube type
TRIODEOld TV part
TRIODEVacuum tube with three elements
TRIODETV tube
TRIODETransistor ancestor
TRIODEGuitar amp part
TRIODEVacuum tube.