noun Etymology: Middle English, from Medieval Latin azimut, from Arabic al-sumūt the azimuth, plural of al-samt the way Date: 14th century 1. an arc of the horizon measured between a fixed point (as true north) and the vertical circle passing through the center of an object usually in astronomy and navigation clockwise from the north point through 360 degrees 2. horizontal direction expressed as the angular distance between the direction of a fixed point (as the observer's heading) and the direction of the object • azimuthal adjectiveazimuthally adverb

New Collegiate Dictionary. 2001.

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  • Azimuth — (Audio IPA|lang=US English|en us azimuth.ogg|ˈæzɪməθ) is a mathematical concept defined as the angle, usually measured in degrees (°), between a reference plane and a point. This concept is used in many practical applications including navigation …   Wikipedia

  • Azimuth — Az i*muth, 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… …   The Collaborative International Dictionary of English

  • Azĭmuth — (arab., Astr.), der Winkel (Azimuthalwinkel), den sein Vertical am Zenith mit dem Meridiane macht; das Maß desselben ist ein Bogen des Horizonts. Je nachdem dieser Bogen vom Mittagspunkte ab nach O. od. W. auf dem Horizonte bis 180° fortgezählt… …   Pierer's Universal-Lexikon

  • Azimuth — Azimuth, nennt man in der Astronomie die Entfernung des Höhenkreises eines Sterns vom Südpunkte des Horizonts. Das A. kann östlich oder westlich sein, je nachdem der Stern östlich oder westlich vom Südpunkte des Horizonts steht. Das A. und die… …   Herders Conversations-Lexikon

  • azimuth — (n.) distance of a star from the north or south point of the meridian, late 14c., from O.Fr. azimut, from Arabic as sumut the ways, plural of as samt the way, direction (see ZENITH (Cf. zenith)) …   Etymology dictionary

  • azimuth — ► NOUN Astronomy ▪ the horizontal direction of a celestial object, measured from the north or south point of the horizon. DERIVATIVES azimuthal adjective. ORIGIN Arabic, the way, direction …   English terms dictionary

  • azimuth — [az′ə məth] n. [ME & OFr azimut < Ar as sumūt < as < al, the + sumūt, pl. of samt, way, path] Astron. Surveying etc. an angular measurement used to locate an object, star, etc.: it is measured clockwise around the horizon from the north …   English World dictionary

  • azimuth — i. A direction expressed as a horizontal angle, usually in degrees, measured clockwise from a reference datum or direction, usually north. The azimuth will be a true zenith, grid azimuth, magnetic azimuth, or relative azimuth, depending upon… …   Aviation dictionary

  • azimuth — noun /ˈæzɪməθ/ a) 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. b) The quadrant of an… …   Wiktionary

  • azimuth — UK [ˈæzɪməθ] / US noun [countable] Word forms azimuth : singular azimuth plural azimuths astronomy the angle of the imaginary line between the position of a plane, ship etc and the position of another object …   English dictionary

  • azimuth —   n. angular distance, measured along horizon, of object from north or south points; angle between meridian and the great circle which passes through both zenith and heavenly body.    ♦ azimuth compass, magnetic compass having sights for taking… …   Dictionary of difficult words

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