exobiology

exobiology

[ek-soh-bahy-ol-uh-jee]
noun
the study of life beyond the earth's atmosphere, as on other planets.


Origin:
1955–60; exo- + biology

exobiological [ek-soh-bahy-uh-loj-i-kuhl] , adjective
exobiologist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
exobiology (ˌɛksəʊbaɪˈɒlədʒɪ)
 
n
another name for astrobiology
 
exobi'ologist
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
exobiology   (ěk'sō-bī-ŏl'ə-jē)  Pronunciation Key 
The branch of biology that deals with the search for extraterrestrial life and the effects of extraterrestrial surroundings on living organisms. Also called astrobiology.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

exobiology

a multidisciplinary field dealing with the nature, existence, and search for extraterrestrial life (life beyond Earth). Astrobiology encompasses areas of biology, astronomy, and geology.

Learn more about exobiology with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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