Definition of electron tube in English:

electron tube

Line breaks: elec|tron tube

noun

Physics
  • An evacuated or gas-filled tube in which a current of electrons flows between electrodes.
    More example sentences
    • For such a large array, an electron tube was chosen instead of a solid-state sensor because the cost per unit area was considerably lower than that of a solid-state detector.
    • Nuclear material is used in products such as electron tubes, self-luminous watches, or radiation measuring instruments for standardization or calibration purposes.
    • A specialized form of the electron tube, the magnetron, is the source of microwave energy in microwave ovens and some radar systems.

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