Central meridian

Central meridian

A central meridian is a meridian that passes through the centre of a projection. The central meridian is often a straight line that is an axis of symmetry of the projection.

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Part of Speech: noun
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Industry/Domain: Geography
Category: Geography
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central meridian

Geography; Geography

A central meridian is a meridian that passes through the center of a projection. The central meridian is often a straight line that is an axis of symmetry of the projection.

meridian

Weather; Meteorology

The great circle on the earth that passes through the North Pole, the point in question, and the South Pole. Meridians intersect the equator at right angles.

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Alternative therapy; Acupuncture

A traditional Chinese medicine term for each of the 16 vertically oriented pathways throughout the body for the flow of qi, or vital energy, accessed through acupuncture points. ...

meridian

Geography; Cartography

An imaginary line on the Earth's surface that runs from the North Pole to the South Pole.

meridian

Astronomy; Moon

An imaginary line that passes directly north and south through an observer or specified location on Earth. A plane extended from this line into space passes through the zenith ...

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Health care; Optometry

One of a number of radially arranged imaginary lines, each of which passes through the center of the pupil when viewing the eye head-on. Generally separated in one-degree ...