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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. See latitude and longitude. The prime meridian is zero degrees longitude and divides Earth into the Western and Eastern hemisphere s.
noun. 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 (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.
Meridian is a city located in Ada County, Idaho, United States. The population was 117,635 at the 2020 census, [4] making it the 2nd most populous city in the county and Idaho after Boise, the state capital. Meridian is considered the state's fastest-growing city and among the fastest-growing cities in the United States. [6] History.
us / 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 prime meridian of longitude is in Greenwich, London. SMART Vocabulary: related words and phrases. Maps & map-making. atlas. cartographer. cartographically. compass rose.
/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.
Oct 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.
