cold cathode

noun Electronics.
a cathode, in an electron tube (cold-cathode tube) or lamp, that emits electrons without having to be heated.

Origin:
1925–30

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To cold cathode
Collins
World English Dictionary
cold cathode
 
n
electronics a cathode from which electrons are emitted at ambient temperature, due to a high potential gradient at the surface

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
There are a lot more details in our paper on the cold cathode system for increasing targeting accuracy during radiation therapy.
Lit by rare cold cathode technology, not neon, it's one of a kind and a spectacular sight at night.
Our novel approach is based on a novel high current cold cathode and a tunable resonant cavity.
Farnsworth also invented the first cold cathode ray tubes and the first simple electronic microscope.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;