[ˈbʌɪəsfɪə], (Noun)

Definitions:
- the regions of the surface and atmosphere of the earth or another planet occupied by living organisms

- an artificial structure enclosing a self-contained ecosystem or ecosystems
(e.g: the elliptical domed biosphere is the largest single-span glasshouse in the world)


Phrases:

Origin:
late 19th century: coined in German from Greek bios ‘life’ + sphaira (see sphere)