Definition of electron tube in English:

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electron tube

noun

Physics
An evacuated or gas-filled tube in which a current of electrons flows between electrodes.
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.

For editors and proofreaders

Syllabification: e·lec·tron tube

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