heterosphere

Noun

Meaning

heterosphere (plural heterospheres)

The upper part of the atmosphere, above about 60 miles or 100 km, in which there is great variation in its composition.

Source: en.wiktionary.org

Synonyms

geosphere ionosphere magnetosphere ozone layer lithosphere exosphere asthenosphere hydrosphere

Close letter words and terms

heterospermic heterospermous heterospermy heterospheroid heterospiline heterospirocyclic