geochemistry


geo·chem·is·try

noun \ˌjē-ō-ˈke-mə-strē\

Definition of GEOCHEMISTRY

1
:  a science that deals with the chemical composition of and chemical changes in the solid matter of the earth or a celestial body (as the moon)
2
:  the related chemical and geological properties of a substance
geo·chem·i·cal \-ˈke-mi-kəl\ adjective
geo·chem·i·cal·ly \-k(ə-)lē\ adverb
geo·chem·ist \-ˈke-mist\ noun

First Known Use of GEOCHEMISTRY

1902

geochemistry

noun    (Concise Encyclopedia)

Scientific discipline dealing with the relative abundance, distribution, and migration of the Earth's chemical elements and their isotopes. Historically, geochemistry was concerned primarily with defining elemental abundances in minerals and rocks. Modern geochemical research also includes study of the continual recycling of the Earth's constituent materials through geologic processes, the cyclic flow of individual elements (and their compounds) between living and nonliving systems, and certain areas of cosmology.

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