. . "0"^^ . "104484432"^^ . "triode"^^ . . "triode"@en-us . . "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"@en-us . . . . . "0"^^ . . "04484432-n"^^ . "104311171"@en-us . "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"@en-us .