The branch of biology that deals with the search for extraterrestrial life and the effects of extraterrestrial surroundings on living organisms. Also called astrobiology, space biology.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "exobiology" in a sentence
"Their existence will revolutionize the field of exobiology."
"And how is this old news amongst the exobiology crowd? glycine: surely not random? trackback"
"Nog had remembered from horror-themed holonovels that aiming for the head and destroying the brain was the best way to deal with a zombie, but that was fiction, not in exobiology."