Word Study
exobiology
WORDNET DICTIONARY
Noun exobiology has 1 sense
- exobiology(n = noun.cognition) astrobiology, space biology - the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life; Array is a kind of biological science, biology
OXFORD DICTIONARY
exobiology, n. the study of life outside the earth.
Derivative
exobiologist n.
For further exploring for "exobiology" in Webster Dictionary Online