ecosphere

ec o sphere |ˈekōˌsfi (ə )r, ˈēkō -ˈikoʊsfɪər | ▶noun the biosphere of the earth or another planet, esp. when the interaction between the living and nonliving components is emphasized. • Astronomy the region of space around a sun or star where conditions are such that planets are theoretically capable of sustaining life.

ecosphere

eco |sphere |ˈiːkəʊsfɪə | ▶noun the biosphere of the earth or other planet, especially when the interaction between the living and non-living components is emphasized. • Astronomy the region of space around a star where conditions are such that planets are theoretically capable of sustaining life.