Appleton layer
noun Geophysics.
See under F layer.
Origin of Appleton layer
First recorded in 1930–35; named after Sir E. V.
Appleton
Definition for appleton layer (2 of 2)
F layer
noun Physics.
the highest of the radio-reflective ionospheric layers, beginning at an altitude of about 80 miles (130 km) and consisting of two parts, the lower part (F layer) being detectable in the daytime only, the higher (F layer or Appleton layer) being constant and constituting the ionospheric layer most favorable for long-range radio communication.
Origin of F layer
First recorded in 1925–30
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
Scientific definitions for appleton layer
F layer
See F region.