Triode
| Hexode
| Triode abbr. | |
| phys. | three-electrode tube; three-electrode valve |
| tech. | triode; triode valve |
| Hexode abbr. | |
| vac.tub. | hexode |
| |||
| three-electrode tube; three-electrode valve | |||
| triode; triode valve | |||
| |||
| triods | |||
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Triode : 28 phrases in 3 subjects |
| Antennas and waveguides | 12 |
| Electronics | 1 |
| Technology | 15 |