Word: exosphere
Part of speech: Noun
Syllables: ex
o
sphere
Definition: the uppermost layer of a planet's atmosphere
Morphemes:
Affix: exo-
Language: en
PoS: Prefix
Meaning: extrasolar; beyond the Solar System (our solar system)
Etymology Compounds: Affix: ἔξω
Language: grc
Decoded: exo
Meaning: outer; external
Affix: -sphere
Language: en
PoS: Suffix
Meaning: Designating a global system or layer of the Earth or another planet.