Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to biosphere: Biosphere 2
1. The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life.
2. The living organisms and their environment composing the biosphere.
bi′o·spher′ic (-sfîr′ĭk, -sfĕr′-) adj.
(Environmental Science) the part of the earth's surface and atmosphere inhabited by living things
1. the part of the earth's crust, waters, and atmosphere that supports life.
2. the ecosystem comprising the entire earth and the living organisms that inhabit it.
bi`o•spher′ic (-ˈsfɛr ɪk) adj.
The parts of the land, sea, and atmosphere in which organisms live.
that part of the earth where most forms of life exist, specifically, where there is water or atmosphere.See also: Biology
that part of the earth’s surface where most forms of life exist, specifically those parts where there is water or atmosphere.See also: Earth, Life
Earth’s living things and their environment.
Switch to new thesaurus
|Noun||1.||biosphere - the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist|
region, part - the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space"
major planet, planet - (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction