minute of arc

min·ute of arc

 (mĭn′ĭt)

n.

See minute¹.

Thesaurus

Noun

1.

minute of arc - a unit of angular distance equal to a 60th of a degree arcminute, minute 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"