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