| 单词 | cathode ray |
| 释义 | cathode raynouna flow of electrons emanating from a cathode in a vacuum tube and focused into a narrow beam. Origin of cathode rayFirst recorded in 1875–80 Words nearby cathode rayCathleen, Catho, cathode, cathode dark space, cathode glow, cathode ray, cathode rays, cathode-ray tube, cathodic, cathodic protection, cathodoluminescence Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for cathode ray
Medical definitions for cathode raycathode ray [ kăth′ōd′ ] n.A stream of electrons emitted by the cathode in electrical discharge tubes. One of the electrons that is emitted in a stream from a cathode-ray tube. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for cathode raycathode ray A beam of electrons streaming from the negatively charged end of a vacuum tube (the cathode) toward a positively charged plate (the anode). The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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