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1. (n.) exobiology
the study of the origin and evolution of life in the universe. Compare astrobiology.
Etymology: (1835–45)
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| Definition of 'exobiology' |
Princeton's WordNet |
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1. (noun) exobiology, space biology, astrobiology
the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life
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| Definition of 'exobiology' |
U.S. National Library of Medicine |
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1. exobiology
The interdisciplinary science that studies evolutionary biology, including the origin and evolution of the major elements required for life, their processing in the interstellar medium and in protostellar systems. This field also includes the study of chemical evolution and the subsequent interactions between evolving biota and planetary evolution as well as the field of biology that deals with the study of extraterrestrial life.
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Definitions of exobiology 
