See nautical mile.
- Geographic north
noun 1. another name for true north geographic north The direction from any point on Earth toward the North Pole. Also called true north. Compare magnetic north.
noun, Navigation. 1. the distance at which a certain light, as that of a lighthouse, is visible to the eye at a given elevation, assuming that the weather is clear and that the light is sufficiently powerful to be visible from any point at which it appears above the horizon.
- Geographic south
geographic south The direction from any point on Earth toward the South Pole. Compare magnetic south.
[jee-og-ruh-fee] /dʒiˈɒg rə fi/ noun, plural geographies. 1. the science dealing with the areal differentiation of the earth’s surface, as shown in the character, arrangement, and interrelations over the world of such elements as climate, elevation, soil, vegetation, population, land use, industries, or states, and of the unit areas formed by the complex of these […]