triode

About 0.42 uses per million words.

Meaning

1. noun A 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.

Similar words

hexode mu tetrode phanotron audion phototriode vacuum tube audion tube phototube crossatron

Often followed by

is amplifier tube and valve with region vacuum in

Word family

triodes