biosphere
/ˈbaɪəʊˌsfɪə(ɹ)/ noun C2- The part of the Earth and its atmosphere capable of supporting life.
- The totality of living organisms and their environment.
Plural biospheres
Learn biosphere in real texts
With a free account, hover any word in the library for its meaning, hear it read aloud, save words for review timed to your memory, and see how much of each book you already know.