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[as-troh-bahy-ol-uh-jee] /ˌæs troʊ baɪˈɒl ə dʒi/
(not in technical use) exobiology.
Origin of astrobiology
1950-55; astro- + biology
Related forms
[as-troh-bi-uh-loj-i-kuh l] /ˌæs troʊˌbɪ əˈlɒdʒ ɪ kəl/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for astrobiology
  • astrobiology is a relatively new science concerned with the frequency and nature of life in the universe.
  • Read day-by-day accounts of the expedition and learn more about the emerging science of astrobiology.
  • That's what's fascinating to the astrobiology community.
  • While the answer to that question will have to wait, in the meantime you can bone up on the nascent field of astrobiology.
  • My interest here as a part time student of astrobiology is eukaryote type events and its likelihood.
  • astrobiology is a tricky subject to write about these days.
  • And the scientific study of all aspects of biology related to the cosmos has been called astrobiology.
  • The encyclopedia of astrobiology, astronomy, and spaceflight.
  • The encyclopedia of astrobiology, astronomy and space flight.
British Dictionary definitions for astrobiology


the branch of biology that investigates the possibility of life elsewhere in the universe
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
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Word Origin and History for astrobiology

1903, from French astrobiologie; see astro- + biology. Related: Astrobiological; astrobiologist.

Online Etymology Dictionary, © 2010 Douglas Harper
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astrobiology in Science
See exobiology.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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