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sexagesimal

American  
[sek-suh-jes-uh-muhl] / ˌsɛk səˈdʒɛs ə məl /

adjective

  1. pertaining to or based upon the number 60.


noun

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

sexagesimal British  
/ ˌsɛksəˈdʒɛsɪməl /

adjective

  1. relating to or based on the number 60

    sexagesimal measurement of angles

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sexagesimal

From the Medieval Latin word sexāgēsimālis, dating back to 1675–85. See Sexagesima, -al 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

That same astronomical thinking led them to patch the ancient Babylonian method of counting by 60, the sexagesimal system, onto the hour.

From Seattle Times Apr. 25, 2022

Minutes and seconds derive from the sexagesimal partitions of the degree introduced by Babylonian astronomers.

From Scientific American Dec. 31, 2011

For astronomical purposes the Greeks adopted a sexagesimal number system and even divided hours into 60 minutes, and minutes into 60 seconds.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

The hours were divided into minutes and seconds, a system derived from the sexagesimal notation which prevailed before the decimal system was finally adopted.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" by Various

We have sixty divisions on the dials of our watches simply because the Greek astronomer Hipparchus, who lived in the second century B. C., accepted the Babylonian system of reckoning time, that system being sexagesimal.

From Chips From A German Workshop, Vol. V. Miscellaneous Later Essays by F. Max (Friedrich Max) Müller

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