Heaviside layer(redirected from Heaviside layers)
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See E layer.
[After 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.
(Physical Geography) the E region of the ionosphere. See E region
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|Noun||1.||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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