minute of arc

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Related to minute of arc: Arc second

min·ute of arc

See minute1.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.minute of arc - a unit of angular distance equal to a 60th of a degreeminute of arc - a unit of angular distance equal to a 60th of a degree
angular unit - a unit of measurement for angles
arcdegree, degree - a measure for arcs and angles; "there are 360 degrees in a circle"
arcsecond, second - a 60th part of a minute of arc; "the treasure is 2 minutes and 45 seconds south of here"
References in periodicals archive ?
In humans, 20/20 vision is defined as the ability to resolve a spatial pattern separated by a visual angle of one minute of arc.
A nautical mile is equal to one minute of arc of latitude along any meridian.
The addition of a plumb-line and a scale creates a simple, yet incredibly complex, instrument that has the potential to measure angles and inclinations to an accuracy of one minute of arc or one-sixtieth of a degree, depending on the size of the instrument used.