Crookes tube

American

noun

Electronics.

a form of cathode-ray tube.

Crookes tube British

noun

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.

It was apparently nothing more or less than a giant Crookes tube, connected in some way with a complicated mechanism contained in a wooden cabinet under the table.

From Project Gutenberg

My idealizator is the means of transforming psychons to quanta, just as, for instance, a Crookes tube or X-ray tube transforms matter to electrons.

From Project Gutenberg

The atoms of matter were breaking down in Crookes tubes.

From Project Gutenberg

On that day Dr. Röntgen was working with a Crookes tube in his laboratory.

From Project Gutenberg

In the interior of a Crookes tube he collected a pencil of cathode rays in a metal cylinder.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023