azimuth

noun
az·​i·​muth | \ ˈaz-məth How to pronounce azimuth (audio) , ˈa-zə- \

Definition of azimuth

1 : an arc of the horizon measured between a fixed point (such 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 (such as the observer's heading) and the direction of the object

Illustration of azimuth

Illustration of azimuth

azimuth 1: 1 horizon, 2 zenith, 3 star, 4 meridian, 5 vertical circle, 6 azimuth, 7 observer

Other Words from azimuth

azimuthal \ ˌa-​zə-​ˈmə-​thəl How to pronounce azimuth (audio) \ adjective
azimuthally \ ˌa-​zə-​ˈmə-​thə-​lē How to pronounce azimuth (audio) \ adverb

Examples of azimuth in a Sentence

Recent Examples on the Web The go-anywhere vessel is equipped with a hybrid propulsion system comprising an electric motor, four diesel generators, two azimuth thrusters and the requisite battery packs. Rachel Cormack, Robb Report, 14 Dec. 2021 Powered by a single 2,000 hp Caterpillar diesel engine with an azimuth thruster, the vessel has a top speed of 15 knots. Rachel Cormack, Robb Report, 23 Nov. 2021 The yacht’s diesel-electric propulsion involves an azimuth pod drive and gives the 436.4-footer a top end of 21 knots. Julia Zaltzman, Robb Report, 28 July 2021 The interference caused by Gorshkov’s radar can identify the radar azimuth and even individual radar pulses. Kyle Mizokami, Popular Mechanics, 11 Dec. 2020 On June 21, the sun sets at an azimuth of 302 degrees, or 32 degrees north of due west. Joe Rao, Scientific American, 29 May 2018 But for the setting sun to be seen from all of Manhattan’s cross streets, its azimuth must be 299 degrees, or 29 degrees north of due west. Joe Rao, Scientific American, 29 May 2018 The large yellow underwing moth, for instance, can use the moon’s azimuth (or horizontal bearing) to help orient its flight—a skill that other creatures, such as sand fleas, also employ to great effect. National Geographic, 6 July 2017 When ice is particularly thick, the vessel can turn around and use its huge azimuth thrusters — a versatile type of propeller — to chew a path through the ice. Washington Post, 20 July 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'azimuth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of azimuth

14th century, in the meaning defined at sense 1

History and Etymology for azimuth

Middle English, from Medieval Latin azimut, from Arabic al-sumūt the azimuth, plural of al-samt the way

Learn More About azimuth

Time Traveler for azimuth

Time Traveler

The first known use of azimuth was in the 14th century

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Statistics for azimuth

Cite this Entry

“Azimuth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/azimuth. Accessed 26 May. 2022.

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More from Merriam-Webster on azimuth

Nglish: Translation of azimuth for Spanish Speakers

Britannica.com: Encyclopedia article about azimuth

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