WordWeb Online

1. A type of vacuum tube formerly used as a high-voltage rectifier.
   "Vacuum rectifiers were made for very high voltages, such as the high voltage power supply for the cathode ray tube of television receivers, and the kenotron used for power supply in X-ray equipment."

Derived forms: kenotrons

Type of: electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube

Encyclopedia: Kenotron