Definition of duodecimal in English:


Pronunciation /ˌd(y)o͞oəˈdesəm(ə)l/ /ˌd(j)uəˈdɛsəm(ə)l/ /ˌd(y)o͞oōˈdesəm(ə)l/ /ˌd(j)uoʊˈdɛsəm(ə)l/

See synonyms for duodecimal

Translate duodecimal into Spanish


  • Relating to or denoting a system of counting or numerical notation that has twelve as a base.

    ‘In a duodecimal system (base twelve) why are letters sometimes used instead of numbers?’
    • ‘The duodecimal calendar has survived since Babylonian times for a reason.’
    • ‘The regime didn't like the 12-base, or duodecimal, calendar (inherited from antiquity and early Christianity), so it tried to impose a decimal calendar.’


  • The system of duodecimal notation.

    • ‘Base 11 is called undenary, Base 12 is called duodenary or duodecimal, Base 16 is called hexadecimal.’


Late 17th century from Latin duodecimus ‘twelfth’ (from duodecim ‘twelve’) + -al.