Definition of triode in English:


Syllabification: tri·ode
Pronunciation: /ˈtrīˌōd


  • 1A vacuum tube having three electrodes.
    More example sentences
    • To prevent tube microphonics, the peanut-size triode is surrounded in foam and shock-mounted in a brass block.
    • Circumstances changed dramatically in about 1925 when the new microphones and triode valve amplifiers introduced a few years earlier for radio broadcasting came into use.
    • Vinyl records and valve amplifiers are for them, with the triode valve being the one most favoured.
  • 1.1A semiconductor rectifier having three connections.
    More example sentences
    • The positive triode rectifier switch has the upper electrode as a cathode, the lower electrode as an anode, and the p-type semiconductor layer.
    • The triode rectifier switch is simpler in the manufacturing process and lower in cost than a thin film transistor.


early 20th century: from tri- 'three' + electrode.

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a slit made by cutting with a saw