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F region Definition

F region

noun

the highest atmospheric zone within the ionosphere, at an altitude of c. 140 to 400 km (c. 90 to 250 mi), containing the F layers

Browse dictionary entries near F region

  1. ‹ F-
  2. ‹ f-number
  3. ‹ F layer
  4. ‹ F.I.
  5. ‹ fête champêtre
  6. ‹ Fès
  7. ‹ Fénelon
  8. ‹ F clef
  9. ‹ F & AM
  10. ‹ F.A.M.
  1. F-Secure Software and Other Anti-Virus Software Applications ›
  2. f-stop ›
  3. Führer ›
  4. Fünen ›
  5. f.v. ›
  6. F & WS ›
  7. fa ›
  8. fa la ›
  9. FAA ›
  10. fab ›