geographical mile
A "geographical mile" is a historical unit of length tied to the Earth's geometry, especially in navigation and geodesy.
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Definition
C2Geodesy
(technical)A measure of distance based on the Earth's circumference, specifically one-sixtieth of a degree of latitude.
B2General
(historical)A distance measurement slightly longer than the nautical mile, about 1,855 meters.
Example
- In the 18th century, the geographical mile was used in the division of public lands.
C1Navigation
(technical, historical)A unit of length equivalent to one minute of arc along the Earth's equator, approximately 1,855 meters.
Example
- The geographical mile was once used to measure distances in navigation.
Similar
Terms that have similar or relatively close meanings to "geographical mile":
metric milenautical milestatute milesea milesquare milemile a minute