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Geo
| Term | Definition |
|---|---|
| altitude | Altitude is the height of an area, measured from sea level |
| Antarctic Circle | The Antarctic Circle is an imaginary circle at latitude 66°30' S, around the south pole |
| antipodes | Antipodes are a pair of points that are on opposite sides of a planet (like the North Pole and the South Pole). |
| archipelago | An archipelago is a group or chain of islands clustered together in a sea or ocean. |
| atoll | An atoll is a ring (or partial ring) of coral that forms an island in an ocean or sea. |
| azimuth | An azimuth is the angle that a line makes with a meridian (a line of longitude), going clockwise from north. |
| bathymetric map | A bathymetric map is a map of the bottom of a body of water, noting the depth contours (these are called isobaths). |
| cape | A cape is a pointed piece of land that sticks out into a sea, ocean, lake, or river. |
| conic projection | A conic projection is a type of map in which a cone is wrapped around a sphere (the globe), and the details of the globe are projected onto the conic surface. Then, the cone is unwrapped into a flat surface. |
| geomorphology | Geomorphology is the scientific field that investigates how landforms are formed on the Earth (and other planets). |
| isthmus | An isthmus is a narrow strip of land connecting two larger landmasses. An isthmus has water on two sides. |
| sinusoidal projection | A sinusoidal projection is a type of map projection in which lines of latitude are parallel to the equator, and lines of longitude are curved around the prime meridian. |
| topographic map | A topographic map is a map that represents elevations on it. |