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prime meridian
[ prahym muh-rid-ee-uhn ]
noun
- the prime meridian, the meridian running through Greenwich, England, from which longitude east and west is reckoned.
prime meridian
noun
- the 0° meridian from which the other meridians or lines of longitude are calculated, usually taken to pass through Greenwich
prime meridian
/ prīm /
- 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 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. 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.
Word History and Origins
Origin of prime meridian1
Example Sentences
No one’s contemplating, as Conrad suggested in “The Secret Agent,” blowing up the prime meridian, in the form of the Greenwich Observatory.
Bull Meecham was approaching that prime meridian of inebriation that his wife, his sons, and his daughters, based on a grievously embattled history, had come to fear.
The Distracted Globe was located at the western-hemisphere intersection of the Boulevard and the Avenue, two brightly lit streets that stretched completely around the planet along its equator and prime meridian.
And you’re like, “No, I need to brush my teeth and eat this Jidori Chicken dinner before we cross some sort of prime meridian so I get some normal sleep.”
In the 1980s, new satellite data helped reorient the prime meridian 334 feet to the east, where it now runs through a park.
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