[ ek-soh-bahy-ol-uh-jee ]
/ ˌɛk soʊ baɪˈɒl ə dʒi /


the study of life beyond the earth's atmosphere, as on other planets.

Words nearby exobiology

Origin of exobiology

First recorded in 1955–60; exo- + biology


ex·o·bi·o·log·i·cal [ek-soh-bahy-uh-loj-i-kuh l] /ˌɛk soʊˌbaɪ əˈlɒdʒ ɪ kəl/, adjectiveex·o·bi·ol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for exobiologist

  • I'm an exobiologist with a supplementary degree in anthropology.

    Sense of Obligation|Henry Maxwell Dempsey (AKA Harry Harrison)
  • I'm an exobiologist, with a supplementary degree in anthropology.

    Planet of the Damned|Harry Harrison
  • This is going to be a three-man team, you, me and an exobiologist.

    Planet of the Damned|Harry Harrison

British Dictionary definitions for exobiologist

/ (ˌɛksəʊbaɪˈɒlədʒɪ) /


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 exobiologist

[ ĕk′sō-bī-ŏlə-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.