astrobiology


as·tro·bi·ol·o·gy

noun \ˌas-trō-(ˌ)bī-ˈä-lə-jē\

Definition of ASTROBIOLOGY

as·tro·bi·ol·o·gist \-(ˌ)bī-ˈä-lə-jist\ noun

First Known Use of ASTROBIOLOGY

1955

as·tro·bi·ol·o·gy

noun \-(ˌ)bī-ˈäl-ə-jē\   (Medical Dictionary)
plural as·tro·bi·ol·o·gies

Medical Definition of ASTROBIOLOGY

astrobiology

noun    (Concise Encyclopedia)

multidisciplinary field dealing with the nature and existence of and search for extraterrestrial life (life beyond Earth). Astrobiology encompasses areas of biology, astronomy, and geology. The principal areas of astrobiology research can be classified as (1) understanding the conditions under which life can arise, (2) looking for habitable worlds, and (3) searching for evidence of life.

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