English Explanatory Dictionary

cold cathode

English dictionary entry

Meanings

noun
  1. 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, or photoelectric emission).

Word forms

cold cathode cold cathodes cold-cathode

Derived words

cold-cathode fluorescent lamp cold-cathode lamp cold-cathode light cold-cathode tube
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