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EXOBIOLOGY

 - 4 dictionary results

ex⋅o⋅bi⋅ol⋅o⋅gy

  [ek-soh-bahy-ol-uh-jee]
Use EXOBIOLOGY in a Sentence
–noun
the study of life beyond the earth's atmosphere, as on other planets.
Also called astrobiology, space biology.

Origin:
1955–60; exo- + biology

Related forms:
ex⋅o⋅bi⋅o⋅log⋅i⋅cal  [ek-soh-bahy-uh-loj-i-kuhl] , adjective
ex⋅o⋅bi⋅ol⋅o⋅gist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ex·o·bi·ol·o·gy   (ěk'sō-bī-ŏl'ə-jē)   
n.  The branch of biology that deals with the search for extraterrestrial life and the effects of extraterrestrial surroundings on living organisms. Also called astrobiology, space biology.
ex'o·bi'o·log'i·cal (-ə-lŏj'ĭ-kəl) adj., ex'o·bi·ol'o·gist n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: exo·bi·ol·o·gy
Pronunciation: -bI-'äl-&-jE
Function: noun
Inflected Form: plural -gies
: a branch of biology concerned with the search for life outside the earth and with the effects of extraterrestrial environments on living organisms called also astrobiology —exo·bi·o·log·i·cal /-"bI-&-'läj-i-k&l/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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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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