duodecimal
Syllabification: (du·o·dec·i·mal)
Pronunciation: /ˌd(y)o͞oəˈdesəməl, ˌd(y)o͞o-ō-/
Definition of duodecimal
adjective
noun
Origin:
late 17th century: from Latin duodecimus 'twelfth' (from duodecim 'twelve') + -al
late 17th century: from Latin duodecimus 'twelfth' (from duodecim 'twelve') + -al