noun🔗ShareTriodoA thermionic valve containing an anode, a cathode, and a control grid; small changes to the charge on the grid control the flow from cathode to anode, which makes amplification possible."The old radio used a triode to amplify the weak signal from the antenna, making the music audible. "La antigua radio usaba un triodo para amplificar la señal débil de la antena, haciendo que la música fuera audible.electronicsdevicetechnologymachineelectricsignalphysicsChat with AIVocabulary GamePractice Reading
