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exobiology

[ ek-soh-bahy-ol-uh-jee ]
/ ˌɛk soʊ baɪˈɒl ə dʒi /
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noun
the study of life beyond the earth's atmosphere, as on other planets.
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Also called astrobiology, space biology.

Origin of exobiology

First recorded in 1955–60; exo- + biology

OTHER WORDS FROM exobiology

ex·o·bi·o·log·i·cal [ek-soh-bahy-uh-loj-i-kuhl], /ˌɛk soʊˌbaɪ əˈlɒdʒ ɪ kəl/, adjectiveex·o·bi·ol·o·gist, noun

Words nearby exobiology

ex new, ex nihilo, ex nihilo nihil fit, exo-, exoantigen, exobiology, exobiota, exocardia, exocarp, exocentric, Exocet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for exobiology

exobiology
/ (ˌɛksəʊbaɪˈɒlədʒɪ) /
noun
another name for astrobiology

Derived forms of exobiology

exobiologist, noun
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

Scientific definitions for exobiology

exobiology
[ ĕk′sō-bī-ŏl′ə-jē ]
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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