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Meaning of biogeochemistry

bi•o•ge•o•chem•is•try

Pronunciation: (bī"ō-jē"ō-kem'u-strē), [key]
— n.
  1. the science dealing with the relationship between the geochemistry of a given region and its flora and fauna, including the circulation of such elements as carbon and nitrogen between the environment and the cells of living organisms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.