prime meridian meaning

Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. A prime meridian is a meridian (line of longitude) in a geographical coordinate system at which longitude is defined to be 0° which passes through Greenwich in the UK. עברית. Definition of PRIME MERIDIAN in the Definitions.net dictionary. This great circle divides the sphere, e.g. 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°. The Prime Meridian is an imaginary line that, similar to the equator, divides the earth into eastern and western hemispheres. The mean solar time at Greenwich is now called Universal Time (q.v.) Wikipedia Dictionaries. 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. Mars has a prime … Consequently, it contains also the north and south points on the horizon, and it is perpendicular to the celestial equator and horizon. Learn more. English. Prime definition is - the second of the canonical hours. • PRIME MERIDIAN (noun) The noun PRIME MERIDIAN has 1 sense:. Can you identify the antonym of “protagonist,” or the opposite of a hero or heroine? 日 … English Collins Dictionary - … మొదటి రేఖ 2. The prime meridian, together with its opposite meridian having a longitude of 180°, divide the Earth roughly into the Eastern and Western Hemispheres, with those portions of the British Isles, Europe, and Africa that lie west of the prime meridian, considered for practical purposes as belonging to the Eastern Hemisphere. WikiMatrix . 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°. 2. The prime meridian is the starting point for the calculation of geographic longitude and is the central meridian of the zero time zone. Theoretically, standard time becomes … The prime meridian is a line of geographical longitude that is defined at 0°. Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London, reckoned from midnight.At different times in the past, it has been calculated in different ways, including being calculated from noon; as a consequence, it cannot be used to specify a precise time unless a context is given. He's making a quiz, and checking it twice... Test your knowledge of the words of the year. Can you spell these 10 commonly misspelled words? In October of that year, at the behest of US President Chester A. Arthur, 41 delegates from 25 nations met in Washington, D.C., United States, for the International Meridian Conference. 3. and was formerly called Greenwich Mean Time (q.v.). A prime meridian is a meridian (a line of longitude) in a geographical coordinate system at which longitude is defined to be 0°. Ptolemy was free, however, to lay his prime meridian, the zero-degree longitude line, wherever he liked. noun A planet's meridian adopted as the zero of longitude. prime meridian. What is PRIME MERIDIAN (noun)? Dictionary entry overview: What does prime meridian mean? Unlike the Equator’s position that is determined by the Earth’s rotational axis, the position of the Prime Meridian has been defined arbitrarily over the years as Greenwich in the United Kingdom. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. The side facing the sun for half a day / half a rotation is in daylight, while the side facing away has night. antonym.com Word of the Day: jetsam. Greenwich synonyms, Greenwich pronunciation, Greenwich translation, English dictionary definition of Greenwich. Learn more! The prime meridian is also used as the basis for the world’s time zones. The words are ante-meridiem (am) and post-meridiem (pm). ప్రథమ రేఖాంశము మొదటి రేఖ 2. Español. Meridian: the highest part or point. As the prime meridian, the north-south line at Greenwich is used as the reference for all other meridians of longitude, which are numbered east or west of it. prime-meridian | definition: meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England) | synonyms: line of longitude, meridian| antonyms: immature. Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London, reckoned from midnight.At different times in the past, it has been calculated in different ways, including being calculated from noon; as a consequence, it cannot be used to specify a precise time unless a context is given. All longitude is measured relative to the prime meridian, which passes through Greenwich, England. Have you ever wondered about these lines? The Prime Meridian, as it passes through Greenwich, England, is considered 0 degrees longitude. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Together, a prime meridian and its antimeridian (the 180th meridian in a 360°-system) form a great circle. Italiano. What does PRIME MERIDIAN mean? Enrich your vocabulary with the English Definition dictionary A prime meridian is a meridian, i.e. Local mean solar time at the prime meridian is widely used in astronomy (so-called universal time). ‘The prime meridian is the line which runs through Greenwich Observatory and is used globally as a standard ‘zero’ point.’ ‘And it's where time itself starts, being the site of the prime meridian, Greenwich Mean Time or degrees longitude, depending on what you prefer.’ It was first established by Sir George Airy in 1851, and by 1884, over two-thirds of all ships and tonnage used it as the reference meridian on their charts and maps. In October of that year, at the behest of US President Chester A. Arthur, 41 delegates from 25 nations met in … How to use prime in a sentence. Meaning: n. meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England). Definition of prime meridian written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Published by Houghton Mifflin Harcourt Publishing Company. ‘That's the instant the sun is aligned with the degree line of longitude, or the prime meridian - also called the Greenwich Meridian.’ The words are ante-meridiem (am) and post-meridiem (pm). 2. What is Greenwich Meridian Time? What made you want to look up prime meridian? Sometimes called the Greenwich Meridian or the International Meridian, Earth’s prime meridian crosses the original site of the Royal Observatory in Greenwich, England. “Prime meridian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prime%20meridian. Learn more. The seam of the ballsack. Send us feedback. the prime meridian. However, there is an international agreement that the meridian that runs through Greenwich, England, is considered the … The prime meridian is also used as the basis for the world’s time zones. “Pagan” vs. “Wicca”: What Is The Difference? … The New Dictionary of Cultural Literacy, Third Edition It is about 40,075 km (24,901 mi) long, of which 78.8% lies across water and 21.3% over land. ‘On the earliest charts displaying a longitude scale, the prime meridian passed through the Canaries.’ ‘In case you didn't know, this city is famous for being the home of the prime meridian, hence Greenwich Mean Time.’ ‘The prime meridian is the line that separates geographic east from west on the globe.’ English Wikipedia - The Free Encyclopedia. Learn more. It is the … The prime meridian is the imaginary line that divides Earth into two equal parts: the Eastern Hemisphere and the Western Hemisphere. The prime meridian is the planet’s line of zero degrees longitude. Dictionary.com Unabridged 1. Random good picture Not show. It is sometimes referred to as the Greenwich Meridian. While the equator can only be in one place, the prime meridian can be anywhere you chose. Definition of PRIME MERIDIAN in the Definitions.net dictionary. meridian definition: 1. an imaginary line between the North Pole and the South Pole, drawn on maps to help to show the…. How to Use Equator vs prime meridian Correctly – Grammarist Grammarist is a professional online English grammar dictionary, that provides a variety of grammatical tools, rules and tips in order to improve your grammar and to help you distinguish between commonly … Define PRIME MERIDIAN (noun) and get synonyms. It is defined as the mean solar time at Mars's prime meridian. It passes through Greenwich, England, the site of the Royal Greenwich Observatory, which was founded in 1675 and which closed except as a museum in 1998. Learn a new word every day. … A prime meridian is the meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Prime definition, of the first importance; demanding the fullest consideration: a prime requisite. Learn more. Malayalam meaning and translation of the word "prime" meridian definition: 1. an imaginary line between the North Pole and the South Pole, drawn on maps to help to show the…. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Français. They mean, literally, before the middle of the day (morning) and after the middle of the day (afternoon and evening). Deutsch. the prime meridian definition: 1. the imaginary line from the North Pole to the South Pole that passes through Greenwich in…. The meridian with a longitude of 0°, adopted officially in 1884 as a reference line from which longitude east and west are measured and as a basis for standardized time zones. It is the longitudinal meridian of reference. The placement of the prime meridian is a purely political decision. Meridian definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. العربية. The Prime Meridian is the meridian defined as 0°00’00” longitude. The prime meridian definition is - an imaginary line that runs from the North Pole to the South Pole through Greenwich, England. synonym.com. It is sometimes referred to as the Greenwich Meridian. The prime meridian appears on maps and globes. The STANDS4 Network ☰ ABBREVIATIONS; ANAGRAMS; BIOGRAPHIES; CONVERSIONS; DEFINITIONS; GRAMMAR; … Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! … The Most Surprisingly Serendipitous Words Of The Day. The true prime meridian of the world, as agreed by every nation on the planet in 1984, is the IERS Reference Meridian, which is also known as the International Reference Meridian or IRM. Please tell us where you read or heard it (including the quote, if possible). English speakers often use GMT as a synonym for Coordinated Universal Time (UTC). © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins The Antimeridian, at 180° longitude, connects with the Prime Meridian to form a 3D giant circle all around the Globe, dividing it into Eastern and Western hemispheres. : the meridian of 0 degrees longitude which runs through the original site of the Royal Observatory at Greenwich, England, and from which other longitudes are reckoned. Learn the definition of Equator vs prime meridian & other commonly used words, phrases, & idioms in the English language. ప్రథమ రేఖాంశము : an imaginary line that runs from the North Pole to the South Pole through Greenwich, England. However, Mars does not have time zones defined at regular intervals from the prime meridian, as on Earth. The prime meridian is the imaginary line that divides Earth into two equal parts: the Eastern Hemisphere and the Western Hemisphere. n the 0° meridian from which the other meridians or lines of longitude are calculated, usually taken to pass through Greenwich. WikiMatrix. Accessed 27 Dec. 2020. We know that the Earth is round and that it takes 24 hours to complete one rotation around the sun. 1. Why Is “Christmas” Abbreviated As “Xmas”? prime meridian in American English the meridian from which longitude is measured both east and west ; 0° longitude: it passes through Greenwich, England Webster’s New World College Dictionary, 4th Edition. QED. the prime meridian meaning: the imaginary line from the North Pole to the South Pole that passes through Greenwich in England…. It passes through Greenwich, England, the site of the Royal Greenwich Observatory, which was founded in 1675 and which closed except as a museum in 1998. 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