Appleton layer
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noun Geophysics.
See under F layer.
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Origin of Appleton layer
First recorded in 1930–35; named after Sir E. V. Appleton
Words nearby Appleton layer
Appleseed, Johnny, Apples of the Hesperides, apple sucker, applet, Appleton, Appleton layer, apple tree borer, Apple Valley, appley, appliance, appliance garage
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for Appleton layer
British Dictionary definitions for Appleton layer
Appleton layer
noun
the F region of the ionosphere
Word Origin for Appleton layer
C20: named after Sir Edward Appleton
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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