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Appleton layer

noun

, Geophysics.
  1. F layer


Appleton layer

noun

  1. the F region of the ionosphere
“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


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Word History and Origins

Origin of Appleton layer1

First recorded in 1930–35; named after Sir E. V. Appleton
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Word History and Origins

Origin of Appleton layer1

C20: named after Sir Edward Appleton

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