Meridian (noun) Definition, Meaning & Examples

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noun
  1. Geography.
    • a great circle of the earth passing through the poles and any given point on the earth's surface.
    • the half of such a circle included between the poles.
  2. the great circle of the celestial sphere that passes through its poles and the observer's zenith.
  3. a point or period of highest development, greatest prosperity, or the like.
  4. (in acupuncture) any of the pathways in the body along which vital energy flows.
adjective
  1. of or relating to a meridian.
  2. of or relating to midday or noon: the meridian hour.
  3. of or indicating a period of greatest prosperity, splendor, success, etc.
noun
  1. a city in E Mississippi.
noun
    • one of the imaginary lines joining the north and south poles at right angles to the equator, designated by degrees of longitude from 0° at Greenwich to 180°
    • the great circle running through both poles
  2. astronomy
    • the great circle on the celestial sphere passing through the north and south celestial poles and the zenith and nadir of the observer
    • (as modifier)
  3. a section of a surface of revolution, such as a paraboloid, that contains the axis of revolution
  4. the peak; zenith
  5. (in acupuncture, etc) any of the channels through which vital energy is believed to circulate round the body
  6. noon
adjective
  1. along or relating to a meridian
  2. of or happening at noon
  3. relating to the peak of something
    Meridian (noun) Definition, Meaning & Examples

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