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Definition of
exosphere noun
from the Oxford Advanced American Dictionary
exosphere
noun
noun
NAmE
/
/
ˈɛksoʊˌsfɪr
/
/
the exosphere
[
singular
]
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the region near the edge of a planet's atmosphere
See
exosphere
in the Oxford Advanced Learner's Dictionary
Check pronunciation:
exosphere
Nearby words
exorcist
noun
exoskeleton
noun
exosphere
noun
exothermic
adjective
exotic
adjective