noun
- an electronic tube or valve containing three electrodes (cathode, anode, and grid) used for amplification or switching in electronic circuits
Usage: electronics
Examples
- The old radio used triodes to amplify the signal.
- Before transistors, triodes were essential components in electronic amplifiers.
- The triode’s grid controls the flow of electrons between the cathode and anode.
- Early computers relied on triodes before the invention of solid-state devices.
- The engineer replaced the faulty triode in the vintage amplifier.
- Triodes were commonly used in guitar amplifiers for their warm sound.