EnglishMain Dictionary
geology
Universal Words
noun
1 [U] the scientific study of the earth, including the origin and history of the rocks and soil of which the earth is made
2 [sing.] the origin and history of the rocks and soil of a particular area:
the geology of the British Isles
geological adjective:
a geological survey / map * the vast span of geological time (= the whole of time since the earth began)
geologically adverb