appleton layer

1. 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

   SynonymsF layerF region

   Broaderregion

   Part ofionosphere

Questions about appleton layer

What does appleton layer mean?

appleton layer means "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".

What is another word for appleton layer?

Close synonyms include F layer, F region. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is appleton layer a common word?

appleton layer is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.