nautical mile

noun

: 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
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What To Know Damien Symon, an open-source intelligence expert, posted a satellite image on X (formerly Twitter) showing the Liaoning underway in the Philippine Sea, approximately 430 nautical miles (494 miles) southeast of Taiwan, accompanied by two escorting ships on Wednesday. Ryan Chan, MSNBC Newsweek, 29 May 2025 Tuesday's mission, however, will see those zones grow to 1,600 nautical miles, covering land and water east of the South Texas launch site, through the Straits of Florida and including the Bahamas and Turks and Caicos. Denise Chow, NBC news, 27 May 2025 For the next launch, the FAA will establish an aircraft hazard area covering approximately 1,600 nautical miles extending eastward from Starbase, Texas, and through the Straits of Florida, including the Bahamas and the Turks and Caicos Islands. John Timmer, ArsTechnica, 22 May 2025 Besides the funding request, the congressman is also part of a bipartisan group of legislators that in February reintroduced a bill that aims to expand CBP’s jurisdiction from 12 to 24 nautical miles offshore. Alexandra Mendoza, San Diego Union-Tribune, 14 May 2025 See All Example Sentences for nautical mile

Word History

First Known Use

1830, in the meaning defined above

Time Traveler
The first known use of nautical mile was in 1830

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Cite this Entry

“Nautical mile.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nautical%20mile. Accessed 5 Jun. 2025.

Kids Definition

nautical mile

noun
: any of various units of distance used for sea and air navigation equal to about 6076 feet (1852 meters)

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