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Meridian, imaginary north–south line on the Earth’s surface that connects both geographic poles; it is used to indicate longitude. The 40th meridian, for example, has a longitude of 40° E or 40° W.
The meaning of MERIDIAN is a great circle on the surface of the earth passing through the poles. How to use meridian in a sentence.
In geography and geodesy, a meridian is the locus connecting points of equal longitude, which is the angle (in degrees or other units) east or west of a given prime meridian (currently, the IERS Reference Meridian). [1]
Also called: prime meridian. Greenwich meridian, an imaginary line, last established in 1851, that was used to indicate 0° longitude. It passes through Greenwich, a borough of London, and terminates at the North and South poles. Because it indicated 0° longitude, it was also known as the prime meridian.
For all donors, open symbols are data from the horizontal meridian, closed circles are from the vertical meridian.
Meridian definition: a great circle of the earth passing through the poles and any given point on the earth's surface.. See examples of MERIDIAN used in a sentence.
Meridian (geography), a longitude line, i.e. a line of constant longitude, or in other words an imaginary arc on the Earth's surface from the North Pole to the South Pole. Meridian arc, the distance between two points with the same longitude. Prime meridian, origin of longitudes.
