noun
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
• Syn: ↑tube, ↑vacuum tube, ↑thermionic vacuum tube, ↑electron tube, ↑thermionic valve
• Hypernyms: ↑electronic device
• Hyponyms:
↑acorn tube, ↑diode, ↑rectifying tube, ↑rectifying valve, ↑electron multiplier, ↑gas-discharge tube, ↑klystron, ↑magnetron, ↑pentode, ↑television-camera tube, ↑television pickup tube, ↑tetrode, ↑triode, ↑X-ray tube
• Part Holonyms: ↑circuit, ↑electrical circuit, ↑electric circuit
Useful english dictionary. 2012.