duodecimal
adjective
duo·dec·i·mal
ˌdü-ə-ˈde-sə-məl 
ˌdyü-
: of, relating to, or proceeding by twelve or the scale of twelves
duodecimal
noun
Examples of duodecimal in a Sentence
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Eventually, ancient Egyptian astronomers who used the duodecimal counting system, based on 12, divided the day and night into 12 hours each, giving us 24 hours in the day.
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New York Times, 25 Apr. 2022
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New York Times, 25 Apr. 2022
Cite this Entry
“Duodecimal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duodecimal. Accessed 31 Oct. 2025.
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