Noun: triode 'trI,owd
- 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
"Early radios relied on triodes for signal amplification"
Derived forms: triodes
Type of: electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube
Encyclopedia: Triode