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geochemistry
ge·o·chem·is·try [ j ō kémmistree ]


noun 
Definition:
 
chemistry of Earth: the study of the chemical composition of the Earth's solid matter, and of the solid matter of other planets, meteors, and asteroids

ge·o·chem·i·cal adjective
ge·o·chem·i·cal·ly adverb
ge·o·chem·ist noun
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