Definition of meridian

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Meridian (a.) Being at, or pertaining to, midday; belonging to, or passing through, the highest point attained by the sun in his diurnal course..

Lern More About Meridian

Meridian :: Meridian (a.) Pertaining to the highest point or culmination; as, meridian splendor..
Drift :: Drift (n.) The angle which the line of a ship's motion makes with the meridian, in drifting..
Meridian :: Meridian (a.) Hence: The highest point, as of success, prosperity, or the like; culmination..
Latitude :: Latitude (n.) Distance north or south of the equator, measured on a meridian..
Westing :: Westing (n.) The distance, reckoned toward the west, between the two meridians passing through the extremities of a course, or portion of a ship's path; the departure of a course which lies to the west of north..
Perioecians :: Perioecians (n. pl.) Those who live on the same parallel of latitude but on opposite meridians, so that it is noon in one place when it is midnight in the other. Compare Antoeci..
Dipleidoscope :: Dipleidoscope (n.) An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass disposed in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's center is on the meridian..
Low :: Low (adv.) In a path near the equator, so that the declination is small, or near the horizon, so that the altitude is small; -- said of the heavenly bodies with reference to the diurnal revolution; as, the moon runs low, that is, is comparatively near the horizon when on or near the meridian..
Southing :: Southing (n.) The time at which the moon, or other heavenly body, passes the meridian of a place..
Transit :: Transit (n.) The passage of a heavenly body over the meridian of a place, or through the field of a telescope..
Astrolabe :: Astrolabe (n.) A stereographic projection of the sphere on the plane of a great circle, as the equator, or a meridian; a planisphere..
Culminate :: Culminate (v. i.) To reach its highest point of altitude; to come to the meridian; to be vertical or directly overhead.
Circummeridian :: Circummeridian (a.) About, or near, the meridian..
Northing :: Northing (n.) Distance northward from any point of departure or of reckoning, measured on a meridian; -- opposed to southing..
Meridian :: Meridian (a.) 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.
Southing :: Southing (n.) Distance southward from any point departure or of reckoning, measured on a meridian; -- opposed to northing..
Azimuth :: Azimuth (n.) An arc of the horizon intercepted between the meridian of the place and a vertical circle passing through the center of any object; as, the azimuth of a star; the azimuth or bearing of a line surveying..
Meridionally :: Meridionally (adv.) In the direction of the meridian.
Noon :: Noon (n.) The middle of the day; midday; the time when the sun is in the meridian; twelve o'clock in the daytime.
Day :: Day (n.) The period of the earth's revolution on its axis. -- ordinarily divided into twenty-four hours. It is measured by the interval between two successive transits of a celestial body over the same meridian, and takes a specific name from that of the body. Thus, if this is the sun, the day (the interval between two successive transits of the sun's center over the same meridian) is called a solar day; if it is a star, a sidereal day; if it is the moon, a lunar day. See Civil day, Sidereal day
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