cold cathode

English

Noun

cold cathode (plural cold cathodes)

  1. (electronics) A type of cathode that does not use a heating element to produce emission of cathode rays (electrons), beyond base thermionic emission (usually by field electron emission, secondary emission, photoelectric emission)
    • 1962 June, “The Eastern Region completes the Colchester scheme”, in Modern Railways, page 412:
      On the open portions of the platforms the loudspeakers are installed on the cold cathode lighting columns.

Hypernyms

Coordinate terms

Derived terms
  • cold-cathode fluorescent lamp (“CCFL”)
  • cold-cathode lamp
  • cold-cathode light
  • cold-cathode tube
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