noun. Red is an adjective to describe this ball. Red is an adjective to describe this ball. The definition of an adjective is a part of speech that is used to describe a noun. Red, tall, better and fast are all examples of adjectives.
Geo is defined as related to the Earth. An example of geo is geophone which is a device that detects seismic activity beneath the earth's surface. 1  earth, of the earth: geocentric, geophyte.  geographical: geopolitics.
geodesic. adj. 1. (Mathematics) Also: geodetic or geodesical relating to or involving the geometry of curved surfaces. n. 2. (Mathematics) Also called: geodesic line the shortest line between two points on a curved or plane surface.(ËdÊi ÉËdÉs Éªk, -Ëdi sÉªk). adj.eâ¢oâ¢desâ¢ic. 1. pertaining to the geometry of curved surfaces, in which geodesic lines take the place of the straight lines of plane geometry. 2. pertaining to geodesy; geodetic. 3. geodesic line.