Skip to definition.
Get the FREE one-click dictionary software for Windows.


Noun: Appleton layer  'apultun 'leyu(r)
  1. The highest region of the ionosphere (from 90 to 600 miles up) which contains the highest concentration of free electrons and is most useful for long-range radio transmission
    - F layer, F region

Type of: part, region

Part of: ionosphere

Encyclopedia: Appleton layer

Nearest

applemint
apple-pie bed
apple-pie order
applesauce
applesauce cake
apple-scented
apple-shaped
apple-sized
applet
Appleton
Appleton layer
applewood
appliance
applicability
applicable
applicant
application
application form
application program
application-oriented language
applications programme