Dictionary.com

Appleton layer

Save This Word!

noun Geophysics.

See under F layer.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of Appleton layer

First recorded in 1930–35; named after Sir E. V. Appleton
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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
See Today's Synonym