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nautical mile Definition

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nautical mile
noun(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
nautical mile
noun(nautical mile)
a British unit equal to 6080 feet (1853.2 meters)
nautical mile
noun(nautical mile)
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

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