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Hasil cari dari kata atau frase: Azimuth dial (0.00772 detik)
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English → English
Definition: Azimuth dial
, n. [OE. azimut, F. azimut, fr. Ar.
as-sum?t, pl. of as-samt a way, or perh., a point of the
horizon and a circle extending to it from the zenith, as
being the Arabic article: cf. It. azzimutto, Pg. azimuth, and
Ar. samt-al-r[=a]'s the vertex of the heaven. Cf. Zenith
(Astron. & Geodesy)
(a) The quadrant of an azimuth circle.
(b) 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.
Note: In trigonometrical surveying, it is customary to reckon
the azimuth of a line from the south point of the
horizon around by the west from 0[deg] to 360[deg].
, or Vertical circle
, one of the great
circles of the sphere intersecting each other in the
zenith and nadir, and cutting the horizon at right angles.
, a compass resembling the mariner's
compass, but having the card divided into degrees instead
of rhumbs, and having vertical sights; used for taking the
magnetic azimuth of a heavenly body, in order to find, by
comparison with the true azimuth, the variation of the
, a dial whose stile or gnomon is at right
angles to the plane of the horizon. --Hutton.
, an arc of the horizon, intercepted
between the vertical circle passing through any object and
the magnetic meridian. This is found by observing the
object with an azimuth compass.