Definition of Meridian altitude. Meaning of Meridian altitude. Synonyms of Meridian altitude

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Definition of Meridian altitude

Meridian altitude
Altitude Al"ti*tude, n. [L. altitudo, fr. altus high. Cf. Altar, Haughty, Enhance.] 1. Space extended upward; height; the perpendicular elevation of an object above its foundation, above the ground, or above a given level, or of one object above another; as, the altitude of a mountain, or of a bird above the top of a tree. 2. (Astron.) The elevation of a point, or star, or other celestial object, above the horizon, measured by the arc of a vertical circle intercepted between such point and the horizon. It is either true or apparent; true when measured from the rational or real horizon, apparent when from the sensible or apparent horizon. 3. (Geom.) The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base; as, the altitude of a triangle, pyramid, parallelogram, frustum, etc. 4. Height of degree; highest point or degree. He is [proud] even to the altitude of his virtue. --Shak. 5. Height of rank or excellence; superiority. --Swift. 6. pl. Elevation of spirits; heroics; haughty airs. [Colloq.] --Richardson. The man of law began to get into his altitude. --Sir W. Scott. Meridian altitude, an arc of the meridian intercepted between the south point on the horizon and any point on the meridian. See Meridian, 3.

Meaning of Meridian altitude from wikipedia

- Meridian altitude is a method of celestial navigation to calculate an observer's latitude. It notes the altitude angle of an astronomical object above...
- 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...
- latitude. In celestial navigation, latitude is determined with the meridian altitude method. More precise measurement of latitude requires an understanding...
- by Polaris altitude. Parallel of latitude by altitude of the sun at noon, or meridian altitude. Meridian of longitude known the time and latitude. Circle...
- latitude of a ship at sea by measuring the sun's noon altitude (declination) or the meridian altitude of a star of known declination. Not an astrolabe proper...
- is obscured at noon, and as a result, a meridian altitude is not possible. The navigator measures the altitude of the Sun as close to noon as possible...
- noon sight without averaging techniques. A noon sight is called a Meridian Altitude. While it is very easy to determine the observer's latitude at noon...
- numbers of stars (meridian altitude method). Then, the empirical Earth's meridional radius of curvature at the midpoint of the meridian arc can then be...
- the angle east or west of a reference meridian to another meridian that p****es through that point. All meridians are halves of great ellipses (often called...
- in different parts of the world.) Dakshin Bhitti Yantra (measures meridian, altitude and zenith distances of celestial bodies) Digamsha Yantra (a pillar...