mile: see English units of measurement English units of measurement, principal system of weights and measures used in a few nations, the only major industrial one being the United States. It actually consists of two related systems—the U.S.
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mile

Any of various units of distance, including the statute mile of 5,280 ft (1.61 km). It originated from the Roman mille passus, or “thousand paces,” which measured 5,000 Roman ft (4,840 English ft [1.475 km]). A nautical mile is the length on the Earth's surface of one minute of arc or, by international definition, 1,852 m (6,076.12 ft [1.1508 statute mi]); it remains in universal use in both marine and air transportation. A knot is one nautical mile per hour. See also International System of Units; metric system.

mile

1. a unit of length used in the U.K., the US, and certain other countries, equal to 1760 yards. 1 mile is equivalent to 1.609 34 kilometres

2. See nautical mile

3. See Swedish mile

4. any of various units of length used at different times and places, esp the Roman mile, equivalent to 1620 yards

mile (redirected from runs a mile)

mile

mile
(redirected from runs a mile)