bi·o·sphere
(bī′ə-sfîr′)n.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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
biosphere
(ˈbaɪəˌsfɪə) n (Environmental Science) the part of the earth's surface and atmosphere inhabited by living things
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
bi•o•sphere
(ˈbaɪ əˌsfɪər)
n. 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.
[1895–1900; < German
Biosphäre; see
bio-,
-sphere]
bi`o•spher′ic (-ˈsfɛr ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
bi·o·sphere
(bī′ə-sfîr′) The parts of the land, sea, and atmosphere in which organisms live.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
biosphere
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-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
biosphere
Earth’s living things and their environment.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited