1. 热阴极电子管：thermionic field emission 场致热电子发射 | thermionic tube 热阴极电子管 | thermionic valve 热阴极电子管
2. 热离子管：thermionic tube volt-meter 真空管伏特计 | thermionic tube 热离子管 | thermionic 热电子的
3. 热电子管：thermion 暖离子 | thermionic tube 热电子管 | thermistor 热敏电阻
4. 电子管：thermionic test reactor 热离子试验反应堆 | thermionic tube 电子管 | thermionic vacuum tube 电子管
noun
1. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Synonym: tube vacuum tube thermionic vacuum tube electron tube thermionic valve