ecosphere

[ ek-oh-sfeer, ee-koh- ]
/ ˈɛk oʊˌsfɪər, ˈi koʊ- /

noun

Also called physiological atmosphere. the part of the atmosphere in which it is possible to breathe normally without aid: the portion of the troposphere from sea level to an altitude of about 13,000 feet (4000 meters).
Ecology. the planetary ecosystem, including all the earth's living organisms and their physical environment; biosphere.

Origin of ecosphere

First recorded in 1950–55; eco- + sphere

British Dictionary definitions for ecosphere

ecosphere
/ (ˈiːkəʊˌsfɪə, ˈɛkəʊ-) /

noun

the planetary ecosystem, consisting of all living organisms and their environment

Scientific definitions for ecosphere

ecosphere
[ ēkō-sfîr′ ]

The regions of the Earth that are capable of supporting life, together with the ecosystems they contain; the biosphere.