Dictionary.com
Thesaurus.com
Synonyms

cathode rays

British  

plural noun

  1. a stream of electrons emitted from the surface of a cathode in a valve

"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

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.

When the electrode was heated, it would shoot cathode rays across the chamber toward the sphere.

From The New Yorker • Apr. 22, 2019

He verified the negative charge of the cathode rays with both magnetic and electric fields.

From Textbooks • Aug. 12, 2015

Thomson showed that cathode rays have negative electric charge, being deflected by electric and magnetic fields, and he concluded that they were in fact streams of particles.

From Scientific American • Feb. 13, 2015

Philipp Lenard, who won a Nobel Prize for his work on cathode rays, wrote a four-­volume treatise on the one true science and called it “German Physics.”

From New York Times • Aug. 3, 2012

All the others, even the newly discovered cathode rays, are subject to obstruction by certain forms of matter; that is, to them certain forms of matter are opaque.

From Notable Events of the Nineteenth Century Great Deeds of Men and Nations and the Progress of the World by Ridpath, John Clark