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Crookes tube

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noun Electronics.
  1. a form of cathode-ray tube.

Origin of Crookes tube

First recorded in 1880–85; after Sir W. Crookes
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for crookes tube

Crookes tube

noun
  1. a type of cathode-ray tube in which the electrons are produced by a glow discharge in a low-pressure gas
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012