Dictionary.com

biosphere

[ bahy-uh-sfeer ]
/ ˈbaɪ əˌsfɪər /
Save This Word!

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.
QUIZ
SPRINT TO THE FINISH WITH THIS OLYMPICS QUIZ!
Compete in our Olympics quiz to see if you can take home the gold medal in Olympics knowledge.
Question 1 of 10
Where was the Olympics first held?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of biosphere

1895–1900; <German Biosphäre;see bio-, -sphere

OTHER WORDS FROM biosphere

bi·o·spher·ic [bahy-uh-sfer-ik], /ˌbaɪ əˈsfɛr ɪk/, adjective

WORDS THAT MAY BE CONFUSED WITH biosphere

biosphere , ecology, ecosystem, environment, habitat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use biosphere in a sentence

British Dictionary definitions for biosphere

biosphere
/ (ˈbaɪəˌsfɪə) /

noun
the part of the earth's surface and atmosphere inhabited by living things
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for biosphere

biosphere
[ bīə-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•spheric (-sfîrĭk, -sfĕr-) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for biosphere

biosphere
[ bīə-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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK