ADJECTIVE

of or relating to or reckoning in sixtieths
the sexagesimal divisions of hours and degrees
How To Use sexagesimal In A Sentence
 The Babylonian scale of enumeration is known as the sexagesimal system.
 The Babylonians, who made great advances in math and astronomy, embraced the Sumerian sexagesimal base, and later the Egyptians, followed by the Greeks, based their timecounting methods on the Babylonian way—which is why, to this day, there are 60 seconds in a minute and 60 minutes in an hour. HERE’S LOOKING AT EUCLID
 the sexagesimal divisions of hours and degrees
 The first deals with integers, the second with proper common fractions, the third with improper fractions, and finally the fourth with sexagesimals.
 He attributes this to their clumsy numeration system, a hybrid of the Babylonian sexagesimal system and an additive system in which each letter of the Greek alphabet stood for one value.
 It also doesn't fit into the Babylonians' sexagesimal system that is based on 60 and 12 the same system that gave us 60 minutes in an hour and two sets of 12 hours in a day. Astrology Myths Debunked: The Truth About Your 'New' Sign
 The most important of these was the sexagesimal place value system, widely associated with signs for the numbers 1, 10, 60, 600, and 3600.
 More fractions can therefore be represented as finite sexagesimal fractions than can as finite decimal fractions.
 He has written out tables of factors in a base 60, or sexagesimal, system, and stared in wonder at the patterns they revealed. HERE’S LOOKING AT EUCLID
 It gave tables of sines with entries calculated to three sexagesimal places for each half degree of the argument.