British Dictionary definitions for Appleton layer
Appleton layer
noun
the F region of the ionosphere
Origin of Appleton layer
1C20: named after Sir Edward Appleton
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
Browse