Kennelly-Heaviside layer

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Ken·nel·ly-Heav·i·side layer


[After Edwin Kennelly (1861-1939), American physicist, and Oliver, Heaviside (1850-1925), British physicist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Kennelly-Heaviside layer

(General Physics) See E region
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Kennelly-Heaviside layer - a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
ionosphere - the outer region of the Earth's atmosphere; contains a high concentration of free electrons
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References in periodicals archive ?
20 The useful radio-wave reflecting Kennelly-Heaviside layer is part of which bigger division of our atmosphere?
In 1924 he found that the Kennelly-Heaviside layer was some 50 miles high.
This region was originally called the Kennelly-Heaviside layer, today it is known as the ionosphere.