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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: (1) a British unit that equals 6,080 ft or 1,853.2 m; also called Admiralty mile; (2) a U.S. unit, no longer in official use, that equals 6080.20 ft or 1,853.248 m; and (3) an international unit that equals 6,076.1033 ft or 1,852 m; used officially in the United States since July 1954.
- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
- Product: Dictionary of Mining, Mineral, & Related Terms - 2nd Edition
- Acronym-Abbreviation:
Other Languages:
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