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Heaviside layer

noun
  1. E layer.
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Origin of Heaviside layer

First recorded in 1910–15; named after O. Heaviside
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for heaviside layer

Heaviside layer

noun
  1. the E region of the ionosphereSee E region
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
heaviside layer in Science

Heaviside layer

[hĕv′ē-sīd′]
  1. See E region.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.