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English
noun
:
tetrode
1.
tetrode
(artifact)
a thermionic tube having four electrodes
Broader (hypernym)
electron tube
,
thermionic tube
,
thermionic vacuum tube
,
thermionic valve
,
tube
,
vacuum tube
Based on WordNet 3.0 copyright © Princeton University.
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Orcapia v/Per Bang
. English edition:
Peter Jensen
.
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