nautical mile


Definition of nautical mile

: any of various units of distance used for sea and air navigation based on the length of a minute of arc of a great circle of the earth and differing because the earth is not a perfect sphere: such as
a : a British unit equal to 6080 feet (1853.2 meters)
b : an international unit equal to exactly 1852 meters (6076.115 feet or 1.15 statute miles) used officially in the U.S. since July 1, 1954

Examples of nautical mile in a Sentence

Recent Examples on the Web Federal regulators have adjusted spacing between turbines to one nautical mile to create wider lanes for fishing and other boats, but Mr. Eskridge, 54, worries that the turbines could hurt his catch. New York Times, 7 June 2021 The Russian Navy’s Kareliya, parked one nautical mile away from U.S. territorial waters, had a front row seat when two U.S. air defense missiles failed to intercept a simulated ballistic missile. Kyle Mizokami, Popular Mechanics, 2 June 2021 Longer term, another supersonic player, Exosonic, is building a Mach 1.8 Presidential Jet with a 5,000 nautical mile range, decked out with luxury gizmos. Paul Sillers, CNN, 28 May 2021 Along the way, the project size was reduced by 60 percent and turbines were spaced one nautical mile apart in response to concern from commercial fishermen and others, as well as advances in turbine technology. Author: Joshua Partlow, Anchorage Daily News, 11 May 2021 Along the way, the project size was reduced by 60 percent and turbines were spaced 1 nautical mile apart in response to concern from commercial fishermen and others. Washington Post, 11 May 2021 Under a preferred alternative being considered, the project’s giant turbines will be located at least 1 nautical mile apart, allowing fishing boats easier movement around the blades, officials said. Matthew Daly And Patrick Whittle, The Christian Science Monitor, 9 Mar. 2021 When the statement was released on May 1, Phoenix Reisen estimated the ship would reach Bremerhaven in early June after completing a trek amounting to about 10,000 nautical miles. Morgan Hines, USA TODAY, 10 June 2020 The light in the 162-foot lighthouse can be seen from up to 18 nautical miles away and rotates in 20-second increments. al, 19 May 2020

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

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First Known Use of nautical mile

1830, in the meaning defined above

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Time Traveler for nautical mile

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The first known use of nautical mile was in 1830

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Statistics for nautical mile

Last Updated

11 Jun 2021

Cite this Entry

“Nautical mile.” Dictionary, Merriam-Webster, Accessed 20 Jun. 2021.

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More Definitions for nautical mile

nautical mile


English Language Learners Definition of nautical mile

: a unit of distance equal to 1,852 meters or 1.15 miles that is used for sea and air travel

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