What does cold cathode mean?

Definitions for cold cathode
cold cath·ode

This dictionary definitions page includes all the possible meanings, example usage and translations of the word cold cathode.

Princeton's WordNet

  1. cold cathodenoun

    a cathode that is a source of electrons without being heated

Wikipedia

  1. Cold cathode

    A cold cathode is a cathode that is not electrically heated by a filament. A cathode may be considered "cold" if it emits more electrons than can be supplied by thermionic emission alone. It is used in gas-discharge lamps, such as neon lamps, discharge tubes, and some types of vacuum tube. The other type of cathode is a hot cathode, which is heated by electric current passing through a filament. A cold cathode does not necessarily operate at a low temperature: it is often heated to its operating temperature by other methods, such as the current passing from the cathode into the gas.

ChatGPT

  1. cold cathode

    A cold cathode is a cathode that operates within a vacuum tube without being heated by a direct electrical filament. This is achieved by a process called thermionic emission, where free electrons are given out into the surrounding space. Cold Cathodes are used in a wide variety of electronic devices such as gas discharge tubes, sensors, and X-ray tubes.

Wikidata

  1. Cold cathode

    A cold cathode is a cathode that is not electrically heated by a filament. It is used in gas-discharge lamps, such as neon lamps, discharge tubes, and some types of vacuum tube. The other type of cathode is a hot cathode, which is heated by electric current passing through a filament. A cold cathode does not necessarily operate at a low temperature: it is often heated to its operating temperature by other methods, such as the current passing from the cathode into the gas.

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Numerology

  1. Chaldean Numerology

    The numerical value of cold cathode in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of cold cathode in Pythagorean Numerology is: 9

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"cold cathode." Definitions.net. STANDS4 LLC, 2024. Web. 20 Apr. 2024. <https://www.definitions.net/definition/cold+cathode>.

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