Meridian vs. Longitude — What's the Difference?

Difference Between Meridian and Longitude
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Definitions
Meridian➦
An imaginary great circle on the earth's surface passing through the North and South geographic poles.
Longitude➦
Longitude (, AU and UK also ) is a geographic coordinate that specifies the east–west position of a point on the Earth's surface, or the surface of a celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek letter lambda (λ).
Meridian➦
Either half of such a great circle from pole to pole. All points on the same meridian have the same longitude.
Longitude➦
Angular distance on the earth's surface, measured east or west from the Prime Meridian at Greenwich, England, to the meridian passing through a position, expressed in degrees (or hours), minutes, and seconds.
Meridian➦
(Astronomy)A great circle passing through the two poles of the celestial sphere and the zenith of a given observer.Also called celestial meridian, local meridian, vertical circle.
Longitude➦
Celestial longitude.
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Meridian➦
A curve on a surface of revolution, formed by the intersection of the surface with a plane containing the axis of revolution.
Longitude➦
(geography) Angular distance measured west or east of the prime meridian.
Meridian➦
A plane section of a surface of revolution containing the axis of revolution.
Longitude➦
Any imaginary line perpendicular to the equator and part of a great circle passing through the North Pole and South Pole.
Meridian➦
Any of the longitudinal lines or pathways on the body along which the acupuncture points are distributed.
Longitude➦
(archaic) Length.
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Meridian➦
The highest point in the sky reached by the sun or another celestial body; a zenith.
Longitude➦
Length; measure or distance along the longest line; - distinguished from breadth or thickness; as, the longitude of a room; rare now, except in a humorous sense.
The longitude of their cloaks.
Mine [shadow] spindling into longitude immense.
Meridian➦
The time at which the sun reaches its highest point in the sky; noon.
Longitude➦
The arc or portion of the equator intersected between the meridian of a given place and the meridian of some other place from which longitude is reckoned, as from Greenwich, England, or sometimes from the capital of a country, as from Washington or Paris. The longitude of a place is expressed either in degrees or in time; as, that of New York is 74° or 4 h. 56 min. west of Greenwich.
Meridian➦
The highest point or stage of development; peak:"Men come to their meridian at various periods of their lives"(John Henry Newman).
Longitude➦
The distance in degrees, reckoned from the vernal equinox, on the ecliptic, to a circle at right angles to the ecliptic passing through the heavenly body whose longitude is designated; as, the longitude of Capella is 79°.
Meridian➦
Midwestern US See median.
Longitude➦
An imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator;
All points on the same meridian have the same longitude
Meridian➦
Of or relating to a meridian; meridional.
Meridian➦
Of or at midday:the meridian hour.
Meridian➦
Of, relating to, or constituting the highest point, as of development or power:the empire in its meridian period.
Meridian➦
Relating to a meridian (in various senses); meridional.
Meridian➦
Relating to midday or noon.
Meridian➦
(obsolete)
Meridian➦
Relating to the culmination or highest point.
Meridian➦
Relating to the south; meridional, southern.
Meridian➦
(astronomy)
Meridian➦
In full celestial meridian: a great circle passing through the poles of the celestial sphere and the zenith for a particular point on the Earth's surface.
Meridian➦
In full terrestrial meridian: a great circle on the Earth's surface, passing through the geographic poles (the terrestrial North Pole and South Pole); also, half of such a circle extending from pole to pole, all points of which have the same longitude.
Meridian➦
(by extension)
Meridian➦
The place on the celestial meridian where it is crossed by the sun or a star at its highest point.
Meridian➦
A ring or half-ring with markings in which an artificial globe is installed and may spin.
Meridian➦
(mathematics) A line passing through the poles of any sphere; a notional line on the surface of a curved or round body (in particular, an eyeball).
Meridian➦
The size of type between double great primer and canon, standardized as 44-point.
Meridian➦
(obsolete)
Meridian➦
The south.
Meridian➦
Midday, noon.
Meridian➦
A midday rest; a siesta.
Meridian➦
A particular area or situation considered as having a specific characteristic or identity; also, the characteristics, habits, or tastes of a specific group, locale, etc.
Meridian➦
(Scotland) An alcoholic drink taken at midday.
Meridian➦
Any of the pathways on the body along which chi or qi (life force) is thought to flow and, therefore, the acupoints are distributed; especially, one of twelve such pathways associated with organs of the body.
Meridian➦
(transitive) To cause an object to reach the meridian or highest point of (something).
Meridian➦
(intransitive) Of a celestial body: to reach its meridian.
Meridian➦
Being at, or pertaining to, midday; belonging to, or passing through, the highest point attained by the sun in his diurnal course.
Tables . . . to find the altitude meridian.
Meridian➦
Pertaining to the highest point or culmination; as, meridian splendor.
Meridian➦
Midday; noon.
Meridian➦
Hence: The highest point, as of success, prosperity, or the like; culmination.
I have touched the highest point of all my greatness,And from that full meridian of my gloryI haste now to my setting.
Meridian➦
A great circle of the sphere passing through the poles of the heavens and the zenith of a given place. It is crossed by the sun at midday.
Meridian➦
A great circle on the surface of the earth, passing through the poles and any given place; also, the half of such a circle included between the poles.
All other knowledge merely serves the concerns of this life, and is fitted to the meridian thereof.
Meridian➦
A town in eastern Mississippi
Meridian➦
An imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator;
All points on the same meridian have the same longitude
Meridian➦
Of or happening at noon;
Meridian hour