E REGION

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length

Synonyms:

E layer; E region; Heaviside layer; Kennelly-Heaviside layer

Classified under:

Nouns denoting spatial position

Instance hypernyms:

part; region (the extended spatial location of something)

Holonyms ("E region" is a part of...):

ionosphere (the outer region of the Earth's atmosphere; contains a high concentration of free electrons)

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