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English definition of “geology”

geology

noun [U] uk   /dʒiˈɒl.ə.dʒi/ us    /-ˈɑː.lə-/
C1 the study of the rocks and similar substances that make up the Earth's surface: a geology course/teacher the geology of somewhere the particular rocks and similar substances that form an area of the earth, and their arrangement
(Definition of geology from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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