01 a. Pertaining to, or designating, the number sixty; poceeding by sixties; sixty years old.
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1.
Pertaining to, or designating, the number sixty; poceeding by sixties; sixty years old.
Phrases & compounds
Sexagenary arithmetic —
See under Sexagesimal.
Sexagenary scale —
a scale of numbers in which the modulus is sixty. It is used in treating the divisions of the circle.