Definition of Prime meridian. Meaning of Prime meridian. Synonyms of Prime meridian

Here you will find one or more explanations in English for the word Prime meridian. Also in the bottom left of the page several parts of wikipedia pages related to the word Prime meridian and, of course, Prime meridian synonyms and on the right images related to the word Prime meridian.

Definition of Prime meridian

Prime meridian
Prime and ultimate ratio. (Math.). See Ultimate. Prime conductor. (Elec.) See under Conductor. Prime factor (Arith.), a factor which is a prime number. Prime figure (Geom.), a figure which can not be divided into any other figure more simple than itself, as a triangle, a pyramid, etc. Prime meridian (Astron.), the meridian from which longitude is reckoned, as the meridian of Greenwich or Washington. Prime minister, the responsible head of a ministry or executive government; applied particularly to that of England. Prime mover. (Mech.) (a) A natural agency applied by man to the production of power. Especially: Muscular force; the weight and motion of fluids, as water and air; heat obtained by chemical combination, and applied to produce changes in the volume and pressure of steam, air, or other fluids; and electricity, obtained by chemical action, and applied to produce alternation of magnetic force. (b) An engine, or machine, the object of which is to receive and modify force and motion as supplied by some natural source, and apply them to drive other machines; as a water wheel, a water-pressure engine, a steam engine, a hot-air engine, etc. (c) Fig.: The original or the most effective force in any undertaking or work; as, Clarkson was the prime mover in English antislavery agitation. Prime number (Arith.), a number which is exactly divisible by no number except itself or unity, as 5, 7, 11. Prime vertical (Astron.), the vertical circle which passes through the east and west points of the horizon. Prime-vertical dial, a dial in which the shadow is projected on the plane of the prime vertical. Prime-vertical transit instrument, a transit instrument the telescope of which revolves in the plane of the prime vertical, -- used for observing the transit of stars over this circle.

Meaning of Prime meridian from wikipedia

- 0° A prime meridian is an arbitrarily-chosen meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together...
- 4778111°N 0.0014750°W / 51.4778111; -0.0014750 The Greenwich meridian is a prime meridian, a geographical reference line that p****es through the Royal...
- (secondary coordinates) The 180th meridian or antimeridian is the meridian 180° both east and west of the prime meridian in a geographical coordinate system...
- 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...
- zero degrees longitude (0°N 0°E / 0°N 0°E / 0; 0), i.e., where the prime meridian and the equator intersect. The name is often used in mapping software...
- 0° The IERS Reference Meridian (IRM), also called the International Reference Meridian, is the prime meridian (0° longitude) maintained by the International...
- Ante Meridian is a misspelling of: Antimeridian, a meridian at 180° from another or the meridian opposite the prime meridian Ante meridiem, normally abbreviated...
- no more than a few metres from that imaginary line which is now the prime meridian of the world. — Howse, D. (1997). Greenwich time and the longitude....
- long-standing rival to the Greenwich meridian as the prime meridian of the world. The "Paris meridian arc" or "French meridian arc" (French: la Méridienne de...
- instrument, Yadav boldly announced his government's ambition to shift the Prime Meridian from Greenwich, England, to Ujjain, challenging the established international...