English dictionary



Hint: Wildcards can be used multiple times in a query.

English noun: pentode

1. pentode (artifact) a thermionic tube having five electrodes


Broader (hypernym)electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk