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