Crossword clues for arcminute
Wiktionary
arcminute
n. A unit of angle; 1/60th of a degree.
WordNet
arcminute
n. a unit of angular distance equal to a 60th of a degree [syn: minute, minute of arc]
Usage examples of "arcminute".
Whereas Ptolemy's star positions were accurate to about 10 arcminutes, Tycho's were accurate to 1 arcminute, the width of a basketball as seen from a kilometer away.
Tycho's observations were generally accurate to 1 arcminute, but Kepler was willing to overlook that.
Alas, two of the observations were off from predictions by as much as 8 arcminutes.