Definition of "cosmologist" [cos•mol•o•gist]

• A person who studies cosmology. (noun)

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• "At 16, Lucy was eating her breakfast in the family kitchen, listening quietly as Elaine talked to another nurse, who wanted to know if the cosmologist was her only client."
• "Stephen Hawking the ego-tripping, media-hyped "cosmologist" also postulated supposed "wormholes from one Universe to another" as well as supposed "wormholes" from one end of our Universe to the other to permit time travel"
• "Sean M. Carroll, the one who quit Blogging Heads, is a cosmologist."