Dictionary.com

exobiology

[ ek-soh-bahy-ol-uh-jee ]
/ ˌɛk soʊ baɪˈɒl ə dʒi /
Save This Word!

noun
the study of life beyond the earth's atmosphere, as on other planets.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

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
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-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.
FEEDBACK