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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Airbus engineers added an extra fuel tank and extended the aircraft’s range by approximately 1,000 nautical miles, allowing the planes to fly routes that were once technically impossible. Jake McGowan, CNN Money, 19 June 2026 Mach said Atlas is designed to meet those requirements with a hybrid-electric propulsion system, runway-independent operations, a 1,000-pound payload capacity, and a range of 1,400 nautical miles. Neetika Walter, Interesting Engineering, 18 June 2026 Penned by Azure Yacht Design & Naval Architecture, the 1,160-gross-tonne behemoth pairs a sturdy ice-class hull with a hybrid diesel-electric propulsion system for a range of 5,000 nautical miles and 30 days of autonomy at sea. Michael Verdon, Robb Report, 16 June 2026 According to Fly Blade, the long-range business jet — designed and manufactured by Bombardier Aviation for luxury travel — can fly up to 7,900 nautical miles non-stop. Gina Kalsi, PEOPLE, 15 June 2026 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 25 Jun. 2026.

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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