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Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An early experimental electrical discharge tube by means of which cathode rays and X-rays were discovered.

from the GNU version of the Collaborative International Dictionary of English

  • A vacuum tube in which the exhaustion is carried to a very high degree, with the production of a distinct class of effects; -- so called from W. Crookes who introduced it.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the original gas-discharge cathode-ray tube

Etymologies

After Sir William Crookes (1832–1919), British chemist and physicist, one of its inventors. (Wiktionary)

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