1 n-uncount Geology is the study of the Earth's structure, surface, and origins.
He was visiting professor of geology at the University of Jordan.
geologist ( geologists plural) n-count
Geologists have studied the way that heat flows from the earth.
2 n-uncount The geology of an area is the structure of its land, together with the types of rocks and minerals that exist within it.
usu with poss
...an expert on the geology of southeast Asia.
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