exobiology

noun

exo·​bi·​ol·​o·​gy ˌek-sō-bī-ˈä-lə-jē 

: a branch of biology concerned with the search for life outside the earth and with the effects of extraterrestrial environments on living organisms

exobiological

ˌek-sō-ˌbī-ə-ˈlä-ji-kəl 

adjective

exobiologist

ˌek-sō-bī-ˈä-lə-jist 

noun

Examples of exobiology in a Sentence

Recent Examples on the Web

Both shared an academic interest in ferns and knew that NASA was funding research on exobiology, the study of potential life beyond Earth. — Corinne Purtill, Los Angeles Times, 31 May 2023

Interest in exobiology — the study of the origins, evolution, and distribution of life in the universe — had been drying up for decades. — Elise Cutts, Discover Magazine, 17 Feb. 2023

There’s an exobiology truism that where there is water, there is life. — John Wenz, Popular Mechanics, 8 Dec. 2022

In the 1960s and ’70s, Drake played a major role in driving astrobiology—then called exobiology—into becoming a systematic field of study of the origins and evolution of life on alien worlds. — WIRED, 11 Sep. 2022

Word History

First Known Use

1960, in the meaning defined above

Rhymes for exobiology

• aetiology
• anthropology
• archaeology
• archeology
• audiology
• cardiology
• climatology
• cohomology
• cosmetology
• criminology
• demonology
• dermatology

Medical Definition

exobiology

noun

exo·​bi·​ol·​o·​gy -bī-ˈäl-ə-jē 

plural exobiologies

: a branch of biology concerned with the search for life outside the earth and with the effects of extraterrestrial environments on living organisms

called also astrobiology

exobiological

-ˌbī-ə-ˈläj-i-kəl 

adjective