The field of knowledge that studies the origin, structure, chemical composition, and history of the Earth and other planets.

The study of the Earth-its history, structure, composition, life forms and the processes that continue to change it.

The science that deals with the study of the planet Earth–the materials of which it is made, the processes that act to change these materials from one form to another, and the history recorded by these materials; the forces acting to deform the outer layers of the Earth and create ocean basins and continents; the processes that modify the Earth’s s [..]

1795 as "science of the past and present condition of the Earth's crust," from Modern Latin geologia "the study of the earth," from geo- "earth" + logia (see -logy). [..]

The science and study of the physical structure of the earth, which includes the topics of rocks and minerals.

study of the physical history of the Earth, its composition, its structure, and the processes that form and change it.

Geology is the study of the planet earth- the materials it is made of, the processes that act on those materials, the products formed, and the history of the planet and its life forms since its origin [..]

Biochemistry | Cell biology | Ecology | Life history | Zoology | Botany | Paleogeography |

Solid material from which most soil derives, characterised by the horizon symbol 'R' for rock. Soil may lie on top of the geology it came from - or maybe not if ancient glaciers pushed the s [..]

a science that deals with the history of the earth as recorded in rocks (geological) of or relating to or based on geology; "geological formations"; "geologic fo [..]

n. The department of natural science that treats of the constitution and structure of the earth.

Geology is the scientific study of the earth and the matter of which it is made." > Geology is the scientific study of the earth and the matter of which it is made.  Jon Zander Geology Definition: geology is the scientific study of the e [..]

science of the genesis, structure and development of the Earth as a whole, especially the Earth’s crust (lithosphere).

The study of the planet Earth?its dynamics, composition, structure, and history. Also, the study of the chemical and physical properties of other solar system bodies.

the science and study of the Earth's crust and its components 

the study of the composition, structure and origin of the solid Earth; sub-disciplines include geochrononology, engineering geology, mineralogy, petrology, paleontology and stratigraphy [geological; geologist]

(n) a science that deals with the history of the earth as recorded in rocks

The father of geology. William Smith (1769–1840).

A science that deals with the history of the earth as recorded in rocks.

The study of the materials, processes, environments, and history of the earth, including rocks and their formation and structure.

The science which treats of the origin, history and structure of the Earth, as recorded in rocks; together with the forces and processes now operating to modify rocks.

the study of the origin, structure and history of the earth, including the processes that act on it

The Science of the earth and other celestial bodies and their history as recorded in the rocks. It includes the study of geologic processes of an area such as rock formations, weathering and erosion, [..]

a science that deals with the history of Earth and its life especially as recorded in rocks greenhouse effect

The science that deals with the origin, history, and structures of the earth, as recorded in the rocks, together with the forces and processes now operating to modify rocks. Also see SUBSOIL GEOLOGY.

the study of the planet Earth, the materials of which it is made, processes that affect these materials, the changes that the Earth has undergone in the past and the changes it is currently undergoing.

Science devoted to the study of the structure and evolution of the earth’s crust.

The science and study of the physical structure of the earth, including the areas of rocks and minerals.

The scientific study of the history and formation of the crust of the Earth as recorded in rocks.

The science concerned with the study of the rocks which compose the Earth. Geophysics

"Geology" means the study of the earth, and in particular the study of the origin, history and topographic form of rocks, ores and minerals, either under the ground or upon the surface, and [..]

The study of the planet Earth---the materials of which it is made, the processes that act on these materials, the products formed, and the history of the planet and its life forms since its origin.

The scientific study of the origin, history and structure of the Earth (adj. geological).

  The science of the history of the Earth and its life as recorded in rocks.

The science that deals with the earth's physical structure and substance.

study of Earth; studies its history, composition, life forms and the processes which continue to change it. Geophone

The science of the history of the Earth and its life as recorded in rocks.

(Petroleum) - The study of hydrocarbon-bearing rock formations. Petroleum geology addresses the origin, occurrence, movement, and accumulation of hydrocarbon fluids. It is an important branch of geology for the petroleum industry since it concerns itself with the origin, migration, and accumulation of oil and gas deposits in commercial quantities. [..]

The science relating to the history and development of the Earth's crust. 

a science dealing with the earth’s history as recorded in rocks.

the science or the study of the earth and its history as recorded in rocks

The science that studies the structure of the earth (or other planets), together with its origin and development, especially by examination of its rocks. The geological structure of a region. (T [..]

A study of the physical structure and substance of the Earth, in particular the rocks that compose it and processes which act on them.