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1. ionosphere
noun.
(ˌaɪˈɑːnɔsˌfiːr)
The
outer
region
of
the
Earth's
atmosphere;
contains
a
high
concentration
of
free
electrons.
Synonyms
region
E region
D-layer
E layer
air
atmosphere
part
F layer
Heaviside layer
D region
Kennelly-Heaviside layer
Appleton layer
F region
Antonyms
inside
outside
wet
cyclone
anticyclone
Etymology
ionosphere (English)
-sphere (English)
iono- (English)
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