Definition of "geochemist" [geochemist]

• A chemist or geologist who specializes in geochemistry (noun)

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• "With little hope of reducing emissions in the near term-some scientists, such as geochemist Wally Broecker of Columbia University think we'll be lucky to stop at saltwater mist to increase cloud cover, even flotillas of mirrors in space."
• "Geoff Plumlee, a research geochemist with the U.S. Geological Survey, sifted through dust samples in the aftermath of the World Trade Center attacks in 2001 to determine what in that particulate matter might affect first responders."
• "Twenty years ago Mr. Allegre was among the first to trill about man-made global warming, but the geochemist has since recanted."