noun🔗ShareGeochemieThe branch of chemistry that deals with the chemical composition of the Earth and other planets, and with the chemical processes that occur in the formation of rocks and minerals etc."The student studying geochemistry analyzed the rock sample to determine its age and origin. "Der Student, der Geochemie studierte, analysierte die Gesteinsprobe, um ihr Alter und ihre Herkunft zu bestimmen.geologychemistryenvironmentsciencemineralChat with AIVocabulary GamePractice Reading