Meridian or a meridian line (from Latin ''meridies'' via Old French ''meridiane'', meaning “midday”) may refer to

Science

Meridian (astronomy) In astronomy, the meridian is the great circle passing through the celestial poles, as well as the zenith and nadir of an observer's location. Consequently, it contains also the north and south points on the horizon, and it is perpendicular ...

, imaginary circle in a plane perpendicular to the planes of the celestial equator and horizon **

Central meridian (astronomy) The central meridian of a celestial body that presents a disc to an observer (such as planet, moon, or star) is the meridian on the body's surface that goes through the centre of the body's disc as seen from the point of view of the observer. Th ...

Meridian (geography) 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). In other words, it is a ...

, a longitude line, i.e. a line of constant

longitude Longitude (, ) is a geographic coordinate that specifies the east- west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek lett ...

, or in other words an imaginary arc on the Earth's surface from the North Pole to the South Pole **

Meridian arc In geodesy and navigation, a meridian arc is the curve (geometry), curve between two points near the Earth's surface having the same longitude. The term may refer either to a arc (geometry), segment of the meridian (geography), meridian, or to its ...

, the distance between two points with the same longitude **

Prime meridian A prime meridian is an arbitrarily chosen meridian (geography), meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. On a spheroid, a prime meridian and its anti-meridian (the 180th meridian ...

, origin of longitudes **

Principal meridian A principal meridian is a meridian used for survey control in a large region. Canada The Dominion Land Survey of Western Canada took its origin at the First (or Principal) Meridian, located at 97°27′28.41″ west of Greenwich, just west of ...

, arbitrary meridians used as references in land surveying * Meridian line, used with a gnomon to measure solar elevation and time of year *

Autonomous sensory meridian response An autonomous sensory meridian response (ASMR)Marsden, Rhodri (20 July 2012), ''The Independent''. is a tingling sensation that usually begins on the scalp and moves down the back of the neck and upper Vertebral column, spine. A pleasant form ...

, a static-like or tingling sensation on the skin

Places

Cities and towns

Meridian, California (disambiguation) Meridian, California may refer to: * Meridian, Humboldt County, California * Meridian, Sutter County, California See also * 120th meridian west, the line of longitude defining the Pacific Time Zone (which includes California) {{geodis ...

, U.S., multiple California towns named Meridian *

Meridian, Colorado Meridian is an unincorporated community and a census-designated place (CDP) located in and governed by Douglas County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The populati ...

, U.S. * Meridian Village, Colorado, U.S. * Meridian, Florida, U.S. * Meridian, Georgia, U.S. *

Meridian, Idaho Meridian is a city located in Ada County, Idaho, Ada County, Idaho, United States. The population was 117,635 at the 2020 United States census, 2020 census, making it the List of cities in Idaho, 2nd most populous city in the county and Idaho a ...

, U.S. *

Meridian, Mississippi Meridian is the List of municipalities in Mississippi, eighth most populous city in the U.S. state of Mississippi, with a population of 35,052 at the 2020 United States census, 2020 census. It is the county seat of Lauderdale County, Mississippi, ...

, U.S. * Meridian, Nebraska, U.S. *

Meridian, New York Meridian is a village in Cayuga County, New York, United States. The population was 309 at the 2010 census. Meridian is near the northern town line of the town of Cato and is west of Syracuse. History The community was settled in 1804. It was ...

, U.S. *

Meridian, Oklahoma (disambiguation) Meridian may refer to: * Meridian, Logan County, Oklahoma, town * Meridian, Stephens County, Oklahoma, CDP See also * Indian meridian, governs the surveys in Oklahoma east of 100° west longitude (non-panhandle) * Cimarron meridian, governs ...

, U.S., multiple Oklahoma towns named Meridian *

Meridian, Pennsylvania Meridian is a census-designated place (CDP) in Butler Township, Butler County, Pennsylvania, United States. The population was 3,881 at the 2010 census. Meridian was the site of an attempted assassination of 45th and 47th President of the Uni ...

, U.S. * Meridian, Seattle, Washington, U.S. *

Meridian, Texas Meridian (pronounced muh-REE-dee-uhn by locals) is a city in and the county seat of Bosque County in Texas, United States. It is forty-seven miles northwest of Waco. The population was 1,396 at the 2020 census. Geography According to the Un ...

, U.S.

Townships

Meridian Township, Clinton County, Illinois Meridian Township is one of fifteen townships in Clinton County, Illinois, USA. As of the 2020 census, its population was 471 and it contained 237 housing units. Geography According to the 2010 census, the township has a total area of , of wh ...

, U.S. *

Meridian Charter Township, Michigan Meridian Charter Township is a charter township of Ingham County in the U.S. state of Michigan. As of the 2020 census, the township had a population of 43,916. The township is named after the Michigan meridian, which comprises the eastern bo ...

, U.S.

Buildings

Meridian (Amtrak station) Union Station, also called the Meridian Multi-Modal Transportation Center, is an intermodal transportation center in Meridian, Mississippi. The station is located at 1901 Front Street in the Union Station Historic District within the larger M ...

, or Union Station, Meridian, Mississippi, U.S. *

Meridian Mall Meridian Mall is a super-regional shopping mall located in Okemos, Meridian Township, a suburb of Lansing, Michigan, United States. It opened in 1969, the same year as its main competitor, Lansing Mall, on the other end of the Lansing metro ...

, Meridian Township, Michigan, U.S. *

Meridian Mall, Dunedin The Meridian Mall is a large shopping complex in Dunedin, New Zealand, designed by ASA Crone Architects, an Australian development company. At it is the largest retail mall in the southern South Island, and one of the largest in the South Islan ...

, New Zealand * Meridian Hall (Washington, D.C.), listed on the National Register of Historic Places in Washington, D.C., U.S. *

Meridian Manor Meridian Manor is an historic structure located in the Meridian Hill neighborhood in the Northwest Quadrant of Washington, D.C. George T. Santmyers designed the structure in the Colonial Revival style. It exemplifies the speculative middl ...

, listed on the National Register of Historic Places in Washington, D.C., U.S. *

Meridian Mansions Meridian Mansions, also known as The Envoy, is a historic structure located in the Meridian Hill neighborhood in the Northwest Quadrant of Washington, D.C. A.H. Sonnemann was the architect for what was considered the city's finest apartment hot ...

, listed on the National Register of Historic Places in Washington, D.C., U.S.

Other places

Lake Meridian Lake Meridian is a fresh-water lake located in the city of Kent, Washington. One among the few lakes in King County allowing motorized boating, Lake Meridian is an urban lake, surrounded by homes and located just off the Kent-Kangley Road on Ke ...

, Kent, Washington, U.S. * Meridian Creek, a stream in Alaska, U.S. *

Meridian Glacier Meridian Glacier () is a broad glacier, long, which flows south along the west side of Godfrey Upland and joins Clarke Glacier between Behaim Peak and Elton Hill, in southern Graham Land, Antarctica. Finn Ronne and Carl R. Eklund of the Unite ...

, Graham Land, Antarctica * Meridian Peak, Eagles Nest Wilderness, near Vail, Colorado, U.S. * Meridian Plantation, a quail-hunting plantation in Leon County, Florida, U.S., established in 1915

Arts and entertainment

Print

* ''Meridian'' (novel), 1976 novel by Alice Walker * ''Meridian'' (comics), 2000–2004 comic book series published by CrossGen * Meridian (''W.I.T.C.H.''), a fictional realm in the Italian comic book series ''W.I.T.C.H.'' * ''Meridians: Feminism, Race, Transnationalism'' (est. 2000), an interdisciplinary peer-reviewed feminist journal

Film and television

* '' Meridian: Kiss of the Beast'', 1990 horror and romance film directed by Charles Band * "Meridian" (''Star Trek: Deep Space Nine''), 1994 episode of the series * "Meridian" (''Stargate SG-1''), 2002 episode of the series * ''Meridian'' (film), 2016 film noir thriller directed by Curtis Clark *

ITV Meridian ITV Meridian (previously Meridian Broadcasting) is the holder of the ITV franchise for the South and South East of England. The station was launched at midnight on 1 January 1993, replacing previous broadcaster Television South, and is owned ...

(formerly Meridian Broadcasting), ITV station for the south and south-east of England

Music

* Meridian Records, record label *

Meridian Dawn Meridian Dawn is an international death metal band. History The band was conceived by vocalist Antony Hämäläinen (Armageddon, Nightrage), drummer Johan Nunez (Kamelot, Nightrage, Firewind, Marty Friedman), guitarist Brandon Johnson, bassi ...

, modern death metal band * Meridian Green, California-based folk musician * ''Meridian'', 1997 album by

Ian Pooley Ian Pooley (born Ian Pinnekamp in 1973) is a German record producer and DJ. While incorporating samples of various musical genres, Pooley's creations are usually classified as house or tech house with Brazilian influence. Biography Pooley's mu ...

* ''Meridian'' (Miriam Yeung album), 2007 album by Miriam Young * ''Meridian'' (album), 2012 album by Pinegrove * "Meridian", 2017 song by Odesza from ''

A Moment Apart ''A Moment Apart'' is the third studio album by the American electronic music duo Odesza, released on 8 September 2017 through Counter, Ninja Tune and the duo's own label, Foreign Family Collective. It is the duo's first album in three years af ...

Other art

* ''Meridian'' (Hepworth), 1960 bronze sculpture by British artist Barbara Hepworth

Business

Meridian Audio Meridian Audio is a consumer Audio equipment, audio and Home cinema, home theatre equipment manufacturer based in the United Kingdom. Bob Stuart and Allen Boothroyd founded the company in 1977 under the name Boothroyd-Stuart. In 1985 the company ...

, British manufacturer of audio equipment * Meridian Credit Union, credit union based in Ontario, Canada *

Meridian Energy Meridian Energy Limited is a New Zealand electricity generator and retailer. The company generates the largest proportion of New Zealand's electricity, generating 35 percent of the country's electricity in the year ending December 2014, and i ...

, New Zealand electricity generation and electricity retailing company * Nortel Meridian, popular PBX telephone system

Education

* Meridian High School (disambiguation) *

Meridian Technology Center Technology Centers, in Oklahoma, are Career and Technical schools which provide career and technology education for high school students in the U.S. state of Oklahoma. The students generally spend part of each day in their respective schools purs ...

, Stillwater, Oklahoma, United States

Transportation

* Meridian (train), British Rail Class 222 trains * Meridian (commuter rail), former commuter rail service in Germany operated by the Bayerische Oberlandbahn * MS ''Meridian'', cruise ship constructed in 1961 * ''Meridian'' (shipwreck), sunken schooner in Lake Michigan * Piper Meridian, turboprop model of the Piper PA-46 aircraft * Meridian LRT station, an LRT station on the Punggol LRT line East Loop in Singapore * Meridian Airways, a defunct Ghanaian airline

Other

* Bill Meridian (fl. 1972–1983), a financial astrologer *

Meridian (Chinese medicine) The meridian system (, also called channel network) is a pseudoscientific concept from traditional Chinese medicine (TCM) that alleges meridians are paths through which the life-energy known as " qi" (''ch'i'') flows. Meridians are not real an ...

, traditional Chinese medical theory, often employed in acupuncture * Meridian (horse), American Thoroughbred racehorse, winner of 1911 Kentucky Derby * Meridian (Nosgoth), the capital of Nosgoth in ''Blood Omen 2: Legacy of Kain'' *

Meridian (perimetry, visual field) Meridian (plural: "meridians") is used in perimetry and in specifying visual fields. According to IPS Perimetry Standards 1978 (2002): ''" Perimetry is the measurement of n observer'svisual functions ... at topographically defined loci in the vi ...

, polar coordinate system for the visual field * Meridian (satellite), a series of Russian military communications satellites * Meridian F.C., English non-league football club * Meridian Hospital, a private hospital in Port Harcourt, Rivers State, Nigeria *

Meridian Lossless Packing Meridian Lossless Packing, also known as Packed PCM (PPCM), is a lossless compression technique for PCM audio data developed by Meridian Audio, Ltd. MLP is the standard lossless compression method for DVD-Audio content (often advertised with t ...

, a lossless audio compression technique used in DVD-Audio, HD DVD, and many Blu-ray discs