tetrode Hear it!

tetrode Definition

tet·rode (te′trōd′)

noun

an electron tube that has four electrodes (a cathode, anode, and two grids), used to generate, amplify, modulate, or demodulate electrical signals

Etymology: tetr(a)- + -ode

tetrode Usage Examples

Modifies a noun

  • amplifier: Grids G3, G4, and G5 along with the cathode and plate form a tetrode amplifier.