cathode ray

cathode ray definition - medical

cath·ode ray (kăthˈōdˌ)

noun
  1. A stream of electrons emitted by the cathode in electrical discharge tubes.
  2. One of the electrons that is emitted in a stream from a cathode-ray tube.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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