Central meridian may mean:
- Central meridian (astronomy), the meridian that goes through the centre of the body's disc as seen from the point of view of the observer
- Central meridian (map projections), a line used to define the origin of some map projections
See also
edit- Prime meridian, any of many central meridians used to define the origin of terrestrial or planetary longitudes
- Principal meridian, a meridian used for survey control in a large region.
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