geological
adjective /ˌdʒiːəˈlɒdʒɪkl/
/ˌdʒiːəˈlɑːdʒɪkl/
(also geologic
/ˌdʒiːəˈlɒdʒɪk/
/ˌdʒiːəˈlɑːdʒɪk/
)- connected with the scientific study of the physical structure of the earth, including the origin and history of the rocks and soil of which the earth is made
- geological sciences
- connected with the origin and history of the rocks and soil of a particular area
- a geological survey
- the vast span of geological time (= the whole of time since the earth began)