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 …

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° …

: an imaginary circle on the earth's surface passing through the north and south poles. : a line on a globe or map representing such a circle or half circle and numbered by degrees of longitude.

Meridians are vertical lines that divide the Earth into equal parts, beginning at the North Pole. The Greenwich meridian is established as the 0° meridian and is fundamental for time zones. …

Jul 2, 2025 · Meridians, fundamental to geographic coordinate systems, are imaginary lines that run vertically from the North Pole to the South Pole, converging at these points. They form the …

It is the distance (expressed in an arc or an angle) between the selected point and the Greenwich meridian, determined by the meridian that passes through said point.

Feb 3, 2024 · What is a Meridian? A meridian is an imaginary line that runs across the surface of the Earth from the North Pole to the South Pole. These meridians are used to measure the …

Add to word list earth science an imaginary line that passes from the North Pole to the South Pole through any place on the surface of the earth, used to show the position of places on a map …

Any point on the surface of Earth will have a meridian passing through it (Figure 1). The meridian specifies the east-west location, or longitude, of the place.

The term meridian comes from the Latin meridies, meaning "midday"; the subsolar point passes through a given meridian at solar noon, midway between the times of sunrise and sunset on …