Astrobiology

noun

noun ·Uncommon ·Advanced level

Definitions

Noun

1
The study of life anywhere in the universe, including Earth. uncountable
2
the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life wordnet

Synonyms

anatomy bacteriology bioastronomy biochemistry biology bionics

Example

"My expertise at the Space Academy was astrobiology, aka exobiology."

Etymology

From astro- + biology.

Related phrases

extraterrestrial life

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.