exobiology

[ ek-soh-bahy-ol-uh-jee ]

noun

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

exobiology

/ ˌɛksəʊbaɪˈɒlədʒɪ /

noun

1. another name for astrobiology

exobiology

/ ĕk′sō-bī-ŏl′ə-jē /

1. The branch of biology that deals with the search for extraterrestrial life and the effects of extraterrestrial surroundings on living organisms.
2. Also called astrobiology

Derived Forms

• ˌexobiˈologist, noun

Other Words From

• ex·o·bi·o·log·i·cal [ek-soh-bahy-, uh, -, loj, -i-k, uh, l], adjective
• exo·bi·olo·gist noun

Word History and Origins

Origin of exobiology¹

First recorded in 1955–60; exo- + biology