Definition of exosphere Exosphere
ex•o•sphere
We found 5 definitions of exosphere from 4 different sources.
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What does exosphere mean?
WordNet
NounPlural: exospheres |
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| exosphere - the outermost atmospheric layer | ||
| layer thin structure composed of a single thickness of cells | ||
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Wiktionary 
- exosphere (Noun)
The uppermost layer of a planet's atmosphere. - exosphere (Noun)
An extremely thin atmosphere, as on Saturn's moon Dione.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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exosphere
The uppermost layer of the atmosphere, its lower boundary is estimated at 500 km to 1000 km above the Earth's surface.
Part of speech
🔤- exosphere, noun, singular of exospheres.
