Share this entry

Share this page

cold cathode

Syllabification: cold cath·ode

Definition of cold cathode in English:

noun

Electronics
A cathode that emits electrons without being heated.
Example sentences
  • The field emission cathode can be used as an efficient cold cathode in a variety of electronic devices, such as flat panel field emission displays, microwave diodes, triodes and more complex devices.
  • FEDs are arrays of electron emitters controlled individually by cold cathodes to generate colored light.
  • An apparatus and method for exposing a treatment site in a patient to x-ray radiation is described that uses a pulse voltage source, where the x-ray emitter employs a cold cathode.

Definition of cold cathode in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Top searches

= trending
Word of the day vicarious
Pronunciation: vɪˈkɛːrɪəs
adjective
experienced in the imagination through another person's feelings…