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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

The hade is essentially the tilt of the sample, while the azimuth is the absolute direction the sample is pointing relative to true north.

The team succeeded to extract the distribution of scattering azimuth angle.

Richard said the missile “has an unlimited range, can attack from any azimuth, and comes down in a hypersonic glide vehicle with great performance. … No nation in history has ever demonstrated that capability.”

By looking through crosshairs and using a topographical map along the azimuth, Henterly can reasonably pinpoint the fire location to direct aircraft or firefighting crews.

The test last year of a new polar-orbiting hypersonic missile provides Chinese nuclear forces with an unlimited range strike weapon that can launch nuclear attacks “from any azimuth… with great performance,” he said.

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