Library / English Dictionary |
HEAVISIDE LAYER
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 ("Heaviside layer" is a part of...):
ionosphere (the outer region of the Earth's atmosphere; contains a high concentration of free electrons)