The seam of the ballsack. Meridian, imaginary north–south line on the Earth’s surface that connects both geographic poles; it is used to indicate longitude. 2. The most commonly used meridian is the International Reference Meridian. The prime meridian of longitude is in Greenwich, South London. prime meridian Zero degrees longitude (0°). This is a giant online mental map that serves as a basis for concept diagrams. From Longman Dictionary of Contemporary English Prime Meridian ˌPrime ˈMeridian SG the imaginary line drawn from north to south on the Earth, from which east and west are measured in degrees on a map For example, the second was once defined as 1/86,400 of a solar day, but now, it's the amount of time a caesium-133 atom in a precisely defined state oscillates 9,192,631,770 times. Prime Meridian History and Geography FAQs and Answers . 3. The Prime Meridian stretches from the South Pole and passes through Greenwich’s Royal Observatory in England to the North Pole. This great circle divides the … Learn more. The placement of the prime meridian is a purely pol 13 sentence examples: 1. The prime meridian is a line of geographical longitude that is defined at 0°. ... Prime Meridian Prime meridian dictionary definition | prime meridian defined . Ptolemy was free, however, to lay his prime meridian, the zero-degree longitude line, wherever he liked. See the fact file below for more information on the prime meridian: The Prime Meridian divides the Earth into East/West from the North Pole to the South Pole with an imaginary line along the longitude line of 0°. Similarly, we also have another imaginary line called the Prime Meridian that divides the Earth into Eastern and Western Hemispheres. the prime meridian meaning: the imaginary line from the North Pole to the South Pole that passes through Greenwich in England…. It gives a brief definition of each concept and its relationships. ... system used to indicate the location of meridians drawn on a globe and measuring distance east and west of the prime meridian. Start studying AP Human Geography chapter 1 vocab. The west and east hemisphere divided by prime meridian. Learn more. See more. The prime meridian divides Earth into the Eastern Hemisphere and the Western Hemisphere. Greenwich meridian definition is - the prime meridian that passes through Greenwich. Learn vocabulary, terms, and more with flashcards, games, and other study tools. North hemisphere, South hemisphere, East hemisphere and West hemisphere. the prime meridian definition: 1. the imaginary line from the North Pole to the South Pole that passes through Greenwich in…. Together, a prime meridian and its antimeridian (the 180th meridian in a 360°-system) form a great circle. A prime meridian is a meridian (a line of longitude) in a geographical coordinate system at which longitude is defined to be 0°. Local mean solar time at the prime meridian is widely used in astronomy (so-called universal time). Look it up now! Meridians run between the North and South poles. To help locate where a place is in the world, people use imaginary lines called latitude and longitude. (or zero meridian), the terrestrial meridian that passes through Greenwich, the site of the old Royal Observatory. All Free. The 40th meridian, for example, has … • The placement of the prime meridian is … • The measurement of longitude meridians, in comparison, is tempered by time. Meridian definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The Prime Meridian is an imaginary south/north longitude line that divides the planet into two. It is sometimes referred to as the Greenwich Meridian. Prime Meridian Definition for Kids If you are planning to study Geography, there are a number of facts and definitions you are going to want to familiarize yourself with. A (geographical) meridian (or line of longitude) is the half of an imaginary great circle on the Earth's surface, terminated by the North Pole and the South Pole, connecting points of equal longitude, as measured in angular degrees east or west of the Prime Meridian. prime meridian - WordReference English dictionary, questions, discussion and forums. Prime Meridian File:Primemeridian.jpg - Wikimedia Commons . The Prime Meridian is an imaginary line that, similar to the equator, divides the earth into eastern and western hemispheres. Prime meridian is a imaginary line. Prime Meridian The Great Pyramid - Earth’s natural ancient Prime Meridian . The Prime Meridian is 0° longitude. The line which runs through Greenwich in London is called the Greenwich Meridian or Prime Meridian. The meridian through Greenwich, England, also called the Prime Meridian was set at zero degrees of longitude, with other meridians being defined by the angle at the center of the earth between where it and the prime meridian cross the equator. The prime meridian runs through the Royal Greenwich Observatory in Greenwich, England (the location was established in 1884 by international agreement). The main difference between Equator and Prime Meridian is that Equator is the line circling the Earth halfway between the North and South poles while Prime Meridian is the line that runs through Greenwich, England.. Geographers and cartographers trace imaginary horizontal and vertical lines across Earth’s surface to locate points on the globe. Hello The world or planet earth divided by four hemisphere i.e. It's free to use and each article or document can be downloaded. Find out more with Bitesize KS2 Geography. The prime meridian is the starting point for the calculation of geographic longitude and is the central meridian of the zero time zone. The line starts at the north pole, passes across the Royal Observatory in Greenwich, England, and ends at the south pole. prime meridian. The Earth is then divided into 180° east and 180° west. The prime meridian is not the only standard whose definition has changed over the years, as more precise means of measurement became available. Sometimes crooked if the doctors do an imperfect job of sewing it together. Greenwich meridian, imaginary line used to indicate 0° longitude that passes through Greenwich, a borough of London, and terminates at the North and South poles. A (geographic) meridian (or line of longitude) is the half of an imaginary great circle on the Earth's surface, terminated by the North Pole and the South Pole, connecting points of equal longitude, as measured in angular degrees east or west of the Prime Meridian. • Ptolemy was free, however, to lay his prime meridian, the zero-degree longitude line, wherever he liked. Meridian (geography) synonyms, Meridian (geography) pronunciation, Meridian (geography) translation, English dictionary definition of Meridian (geography). Prime Meridian in Geography topic. ‘The prime meridian is the line that separates geographic east from west on the globe.’ ‘In a strong sense, then, a fiddler crab's frame of reference - the equator and prime meridian of its entire world - … At times, it is also referred to as the Greenwich Meridian. ‘The prime meridian is the line that separates geographic east from west on the globe.’ ‘In a strong sense, then, a fiddler crab's frame of reference - the equator and prime meridian of its entire world - … • By the late 1870s, the hundredth meridian had been fatefully crossed. The prime meridian divides the globe into the Western and Eastern hemispheres. The Prime Meridian is the universally decided zero longitude, an imaginary north/south line which bisects the world into two and begins the universal day. Prime meridian definition, the meridian running through Greenwich, England, from which longitude east and west is reckoned. 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