cath·ode-ray tube (kăthōd-rā′)
A vacuum tube, formerly used in computer monitors and televisions, that electromagnetically or electrostatically deflects a focused cathode ray toward various points on a phosphorescent screen.
(click for a larger image)cathode-ray tube
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
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