from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An electrode that is the target in a cathode-ray tube, especially in an x-ray tube.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The opposite of a cathode, an anode.
  • n. The target at which electrons from the cathode in a CRT or x-ray tube are directed.

from the GNU version of the Collaborative International Dictionary of English

  • n. The part of a vacuum tube opposite the cathode. Upon it the cathode rays impinge.

from The Century Dictionary and Cyclopedia

  • n. The plate, often of platinum, placed opposite the cathode in a vacuum-tube, on which the cathode rays, or streams of electrified particles, impinge and thus produce the Röntgen rays.


Sorry, no etymologies found.


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