from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A stream of electrons emitted by the cathode in electrical discharge tubes.
- n. One of the electrons that is emitted in a stream from a cathode-ray tube.
from the GNU version of the Collaborative International Dictionary of English
- n. a kind of ray generated at the cathode in a vacuum tube, by the electrical discharge.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a beam of electrons emitted by the cathode of an electrical discharge tube
Sorry, no etymologies found.