pentode

/ˌpɛnˈtoʊd/
IPA guide

Other forms: pentodes

Definitions of pentode
  1. noun
    a thermionic tube having five electrodes
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    type of:
    electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube
    electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
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