Definition of hot cathode in English:

hot cathode


  • A cathode designed to be heated in order to emit electrons.

    • ‘The microwave amplification devices used in space today are based on what's known as hot cathode technology.’
    • ‘Filserv produces a range of hot cathode ionisation gauges of the triode and Bayard Alpert type.’
    • ‘Many of these concepts are generally applicable to most hot cathode ionization gauges and will be discussed.’
    • ‘Also at Cathodeon he was working on hot cathodes in lamps used in analytical instrumentation.’
    • ‘Nevertheless, glass gauges for the time being do remain the most popular hot cathode sensors.’