n04417086
| type | n |
| lex_filenum | 06 |
| def | a thermionic tube having four electrodes |
| Outgoing links | |
| Hypernym | tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve |
| Incoming links | |
| Hyponym | tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve |
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