Definition of "astrobiologist" []

• A biologist whose speciality is astrobiology (noun)

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• "Two are career NASA scientists who now carry the title of astrobiologist, and one was the creator and principal investigator for the main life-detection experiment sent to the surface of Mars for the two 1976 Viking missions."
• "a remarkable interview with a world-class Indian astronomer and biologist -- "astrobiologist""
• "Astrobiology and the quest for extraterrestrial life: "The discovery of life elsewhere in the Solar System would 'profoundly change our understanding of where we came from and our place in the cosmos', astrobiologist Lewis Dartnell told Sam Wong ahead of his public lecture on the subject this week ...""