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Longman Dictionary of Contemporary English
nautical mile
▪ One minute of latitude at the Equator was defined as a nautical mile.
The Collaborative International Dictionary
nautical mile

Nautical \Nau"tic*al\, a. [L. nauticus, Gr. naytiko`s, fr. nay`ths a seaman, sailor, fr. nay^s ship: cf. F. nautique. See Nave of a church.] Of or pertaining to seamen, to the art of navigation, or to ships; as, nautical skill.

Syn: Naval; marine; maritime. See Naval.

Nautical almanac. See under Almanac.

Nautical distance, the length in nautical miles of the rhumb line joining any two places on the earth's surface.

nautical mile. See under Mile.

nautical mile

n. (context nautical English) A unit of length corresponding approximately to one minute of arc of latitude along any meridian. By international agreement it is exactly 1,852 metres (approximately 6,076 feet).

nautical mile
  1. n. a British unit of length equivalent to 1,853.18 meters (6,082 feet) [syn: naut mi, mile, mi, geographical mile, Admiralty mile]

  2. a unit of length used in navigation; equivalent to the distance spanned by one minute of arc in latitude; 1,852 meters [syn: mile, mi, naut mi, knot, international nautical mile, air mile]

Nautical mile

A nautical mile is a unit of measurement defined as exactly 1852 meters (about 6,076 feet or 1.2 statute miles). Historically, it was defined as one sixtieth of the distance between two parallels of latitude separated by one degree. Today it is an SI derived unit, being rounded to an even number of meters and remains in use for both air and marine navigation and for the definition of territorial waters.

The derived unit of speed is the knot, defined as one nautical mile per hour. The geographical mile is the length of one minute of longitude along the Equator, about 1,855.325 m on the WGS 84 ellipsoid.

Usage examples of "nautical mile".

Never having the opportunity to clock a balsa raft under sail over a measured nautical mile, estimating the fleet's speed through water was strictly guesswork.

The 9,220-nautical mile voyage is scheduled for 185 days, and we're bang on target almost to the minute so far.

For Lamarckia, with its radius of 5931 kilometers, a nautical mile came to about 1725 meters.

Lloyd was always talking a mile a minute, desperate to learn of the ship's progress down to the nautical mile, grilling everyone at length, hatching schemes and questioning every plan.

Captain Duane Lewis peered through his binoculars at the big container ship that was approaching from the south less than a nautical mile away.

I'm sorry, Captain, every nautical mile we put between our stern and Punta del Este is critical.

Even with the best will and the strongest backs in the world it wouldn't be possible to make as much as one nautical mile in an hour.

Von Till hasn't come within a nautical mile of being caught with the goods, so to speak, for decades.

The Prince stood at anchor, one nautical mile from Biagio's mansion.