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azimuth

[ az-uh-muhth ]

noun

  1. Astronomy, Navigation. the arc of the horizon measured clockwise from the south point, in astronomy, or from the north point, in navigation, to the point where a vertical circle through a given heavenly body intersects the horizon.
  2. Surveying, Gunnery. the angle of horizontal deviation, measured clockwise, of a bearing from a standard direction, as from north or south.


azimuth

/ ˈæzɪməθ; ˌæzɪˈmʌθəl /

noun

  1. astronomy nautical the angular distance usually measured clockwise from the north point of the horizon to the intersection with the horizon of the vertical circle passing through a celestial body Compare altitude
  2. surveying the horizontal angle of a bearing clockwise from a standard direction, such as north
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


azimuth

/ ăzə-məth /

  1. The position of a celestial object along an observer's horizon. Azimuth is a horizontal angle measured clockwise in degrees from a reference direction, usually the north or south point of the horizon, to the point on the horizon intersected by the object's line of altitude (a line from the observer's zenith through the object to the horizon). If north is the reference point (0°), then east has an azimuth of 90°, south is 180°, and so forth through 360°.


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Derived Forms

  • azimuthal, adjective
  • ˌaziˈmuthally, adverb
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Other Words From

  • az·i·muth·al [az-, uh, -, muhth, -, uh, l], adjective
  • azi·muthal·ly adverb
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Word History and Origins

Origin of azimuth1

1350–1400; Middle English azimut < Middle French Arabic as sumūt the ways (i.e., directions)
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Word History and Origins

Origin of azimuth1

C14: from Old French azimut, from Arabic as-sumūt, plural of as-samt the path, from Latin semita path
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Example Sentences

Variables like weather, azimuth, elevation, crude launchers, and rocket viability quickly add up.

One Kelvin standard compass, with azimuth mirror on compass platform.

Webb at once proceeded to take full magnetic declination, time and azimuth observations, Laseron recording for him.

The angle which this line makes with a line pointing due south is called the sun's azimuth.

The Azimuth of a star is the angle between the meridian and the vertical circle passing through the star.

The direction EP gives the azimuth of the wave-path, or its direction along the surface of the earth.

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Azilianazimuthal equidistant projection