Meridian | Prime Meridian, Longitude & Latitude | Britannica
WEBmeridian, 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. See latitude and longitude. The prime meridian is zero degrees longitude and divides Earth into the Western and Eastern hemisphere s.
Meridian (geography) - Wikipedia
WEBIn 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] . In other words, it is a line of longitude.
Meridian Definition & Meaning - Merriam-Webster
WEBThe meaning of MERIDIAN is a great circle on the surface of the earth passing through the poles. How to use meridian in a sentence.
MERIDIAN | definition in the Cambridge English Dictionary
WEBus / məˈrɪd.i.ən / uk / məˈrɪd.i.ən / Add to word list. an imaginary line between the North Pole and the South Pole, drawn on maps to help to show the position of a place: The …
Meridian - Wikipedia
WEBMeridian (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 …
Prime Meridian - National Geographic Society
WEBOct 19, 2023 · The prime meridian is the line of 0° longitude, the starting point for measuring distance both east and west around Earth. The prime meridian is arbitrary, meaning it could be chosen to be anywhere. Any line of longitude (a meridian) can serve as the 0° longitude line.
MERIDIAN Definition & Meaning | Dictionary.com
WEBnoun. Geography. a great circle of the earth passing through the poles and any given point on the earth's surface. the half of such a circle included between the poles. Astronomy. the great circle of the celestial sphere that passes through its poles and the observer's zenith.
Meridian Illinois Managed Care Plans
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Meridian - Definition, Meaning & Synonyms | Vocabulary.com
WEB/məˈrɪdiən/ /məˈrɪdiɪn/ IPA guide. Other forms: meridians. The word meridian describes a gigantic imaginary circle that runs north and south on the earth's surface, from the North Pole to the South Pole. If you stood on the meridian at the North Pole, you would be at the earth's northernmost point.
Greenwich meridian | Definition, History, Location, Map, & Facts
WEBAlso 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.
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