electron tube

Từ điển WordNet v3.1 - WordNet Dictionary

noun

electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
• Syn:
tube, vacuum tube, thermionic vacuum tube, thermionic 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
• Part Meronyms:
anode, cathode, electrode, grid, control grid, plate

• Từ đồng nghĩa / Synonyms:
  tube, vacuum tube, thermionic vacuum tube, thermionic tube, thermionic valve