Definition of astrobiology

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  • astrobiology is a valid Scrabble US word with a point value of 18
  • astrobiology is a valid Scrabble UK word with a point value of 18
  • astrobiology is a valid Words with friends word with a point value of 20

Definition of astrobiology

  • the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life (noun)

    Synonyms

    1. exobiology
    2. space biology

See definition of astrobiology in Merriam Webster