minute of arc


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Related to minute of arc: Arc second

minute of arc

(arc minute; arc min) See arc second.
References in periodicals archive ?
A nautical mile is equal to one minute of arc of latitude along any meridian.
The answer given for question 3 of the February 2008 IFR quiz says that one minute of arc equals one nautical mile of longitude, but omits the critical words "at the equator.
As a result, one minute of arc can mean 6,092 feet at 60[degrees] and 6,046 feet at the equator.