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Definition of "geochemistry" [ge•o•chem•is•try]

  • The chemistry of the composition and alterations of the solid matter of the earth or a celestial body. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "geochemistry" in a sentence
  • "With the later advent of accelerator mass spectrometry, this has become a useful tool in geochemistry, but our counting techniques were not sensitive enough to make the method work."
  • "Specifically, bachelor's degrees in engineering, business, ecology or hydrology and life sciences such as geochemistry were among educational requirements employers cited most frequently."
  • "It you were to walk up to a living sauropod and put your hand on its side, its temperature would be very similar to your own, said John Eiler, a professor of geology and geochemistry at the California Institute of Technology in Pasadena and co-author of the study."