sexagesimal

[ sek-suh-jes-uh-muh l ]

/ ˌsɛk səˈdʒɛs ə məl /

pertaining to or based upon the number 60.

a fraction whose denominator is 60 or a power of 60.

Origin of sexagesimal

From the Medieval Latin word sexāgēsimālis, dating back to 1675–85. See Sexagesima, -al¹

Gunter had as early as 1620 given the logarithms of sines and tangents on the sexagesimal scale, as far as seven decimals.

Introduction to the Literature of Europe in the Fifteenth, Sixteenth, and Seventeenth Centuries, Vol. 2 |Henry Hallam
It relates to the operations with integers and sexagesimal fractions, including roots, and contains no applications.

The Hindu-Arabic Numerals |David Eugene Smith
Each degree is divided into 60 minutes, and each minute into 60 seconds, according to the sexagesimal division of the circle.

The Sailor's Word-Book |William Henry Smyth
After that the sexagesimal division system is abandoned, and fractions of seconds are estimated in decimals.

Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 |Various

The trigonometrical results are given for every hundred-thousandth of the quadrant (10″ centesimal or 3″.24 sexagesimal).

Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 8 |Various

sexagesimal

/ (ˌsɛksəˈdʒɛsɪməl) /

relating to or based on the number 60 sexagesimal measurement of angles

a fraction in which the denominator is some power of 60; a sixtieth