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tetrode Line breaks: tet|rode
Pronunciation: /ˈtɛtrəʊd/

Definition of tetrode in English:


A thermionic valve having four electrodes.
Example sentences
  • He was the one I was working with and I asked him if he could maybe build some tetrodes for us to experiment with.
  • Power tetrodes are also sometimes used in amateur radio and industrial applications.
  • The three-pole array therefore acts as the feedback element stabilizing the operating point of the tetrode.


Early 20th century: from tetra- 'four' + Greek hodos 'way'.

Definition of tetrode in:

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