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Crookes tube

American  

noun

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


Crookes tube British  

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

Etymology

Origin of Crookes tube

First recorded in 1880–85; after Sir W. Crookes

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Grubbe simply positioned the Crookes tube over the tumor and turned on the electric current for a few minutes, with little understanding of what would be the appropriate dose.

From Slate May 4, 2016

The Crookes tube, refined in mechanism, is the common x-ray tube of today, useful to physicists, metallurgists, biologists, doctors, dentists.

From Time Magazine Archive

His visit was merely for the purpose of gathering some apparatus, which included a Crookes tube, carefully packed, a rheostat, and some other paraphernalia which we divided.

From The Treasure-Train by Reeve, Arthur B. (Arthur Benjamin)

Physicists did not take long to discover that the radiation from radium was very like the radiation in a "Crookes tube."

From The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told by Thomson, J. Arthur

In taking this photograph the experiment was tried of using a diaphragm interposed between the Crookes tube and the plate; and the superior clearness obtained is thought to result from this.

From McClure's Magazine, Vol. 6, No. 5, April, 1896 by Various

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