Sexagesimal /(?)/

Sex·a·ges·i·mal

Sexagesimal

a.
  1. Pertaining to, or founded on, the number sixty.

Phrases & Compounds

Sexagesimal fractions
those fractions whose denominators are some power of sixty; as, astronomical fractions, because formerly there were no others used in astronomical calculations.
Sexagesimal arithmetic
the method of computing by the sexagenary scale, or by sixties.
Sexagesimal scale
the sexagenary scale.

Sexagesimal

n.
  1. A sexagesimal fraction.