geo-, ge- +

1. The study of the classification, description, nature, origin, and development of present landforms and their relationships to underlying structures, and of the history of geologic changes as recorded by these surface features.
2. That branch of geology that studies the characteristics, processes that shape them, and configurations and evolutions of rocks and land forms.

1. A reference ti curvatures toward the ground.
2. Growth curvature towards the ground.

1. A navigational technique in which position is determined relative to terrestrial reference points; such as, distinguished from celestial or inertial (inability or unwillingness to move or act) navigation.
2. Navigation by means of observations of terrestrial features.

Curvature towards the earth at night.

Characterized by the orientation movements in plants during darkness in response to gravity.

Orientation movements in plants during darkness in response to gravity.

Characterized by an orientation movement of an organ or structure to bring it parallel to the soil surface.

An orientation movement of an organ or structure to bring it parallel to the soil surface.

1. The study of the peculiarities of disease in relation to topography, climate, food habits, etc., of various regions of the earth.
2. The science concerned with the harmful effects on the body of environment, topography, climate, food and water supplies, and ecological factors.

The capacity of an organism to perceive and respond to gravity.

The consumption of earth or dirt.

The eating of soil or clay.

One who feeds on soil or earth; such as, clay.

1. Feeding on soil; deriving nutrients from soil or the sediment.
2. Ingestion of earthy substances like clay; as a result of starvation, lack of something in the diet, or possibly as a result of mental illness.

More details about geophagy.

1. Living or thriving in soil.
2. Relating to plants that fruit below the soil surface.