biosphere
[ bahy-uh-sfeer ]
/ ˈbaɪ əˌsfɪər /
noun
the part of the earth's crust, waters, and atmosphere that supports life.
the ecosystem comprising the entire earth and the living organisms that inhabit it.
OTHER WORDS FROM biosphere
bi·o·spher·ic [bahy-uh-sfer-ik] /ˌbaɪ əˈsfɛr ɪk/, adjectiveWORDS THAT MAY BE CONFUSED WITH biosphere
biosphere ecology ecosystem environment habitatWords nearby biosphere
Example sentences from the Web for biosphere
There are six UNESCO biosphere reserves and nine UNESCO World Heritage sites.
British Dictionary definitions for biosphere
biosphere
/ (ˈbaɪəˌsfɪə) /
noun
the part of the earth's surface and atmosphere inhabited by living things
Medical definitions for biosphere
biosphere
[ bī′ə-sfîr′ ]
n.
All the regions of the earth and its atmosphere in which living organisms are found or can live.
The living organisms and their environment composing the biosphere.
Other words from biosphere
bi′o•spher′ic (-sfîr′ĭk, -sfĕr′-) adj.Scientific definitions for biosphere
biosphere
[ bī′ə-sfîr′ ]
The parts of the land, sea, and atmosphere in which organisms are able to live. The biosphere is an irregularly shaped, relatively thin zone in which life is concentrated on or near the Earth's surface and throughout its waters.
All the Earth's ecosystems considered as a single, self-sustaining unit.
Cultural definitions for biosphere
biosphere
[ (beye-uh-sfeer) ]
The thin outer shell of the Earth and the inner layers of its atmosphere; the place where all living systems are found.