geochemistry

[jee-oh-kem-uh-stree]
noun
the science dealing with the chemical changes in and the composition of the earth's crust.

Origin:
1900–05; geo- + chemistry

geochemical [jee-oh-kem-i-kuhl] , adjective
geochemically, adverb
geochemist, noun
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World English Dictionary
geochemistry (ˌdʒiːəʊˈkɛmɪstrɪ)
 
n
the geology and chemistry concerned with the chemical composition of, and chemical reactions taking place within, the earth's crust
 
geochemical
 
adj
 
geo'chemist
 
n

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American Heritage
Science Dictionary
geochemistry   (jē'ō-kěm'ĭ-strē)  Pronunciation Key 
The scientific study of the chemical composition of the Earth or other celestial body and of the reactions that control the distribution of chemical elements in its minerals, rocks, soil, waters, and atmosphere.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Book chapter on fundamentals of isotope geochemistry.
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