cesium electron tube

cesium electron tube

[′sē·zē·əm i′lek‚trän ‚tüb]
(electronics)
An electronic device used as an atomic clock, producing electromagnetic energy that is accurate and stable in frequency. Also known as cesium beam tube.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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