Duodecimal Definition

do͝oə-dĕsə-məl, dyo͝o-
adjective
Of, relating to, or based on the number 12.
The duodecimal number system.
American Heritage
Relating to twelve or twelfths.
Webster's New World
Consisting of or counting by twelves or powers of twelve.
Webster's New World
noun
One twelfth.
Webster's New World
A system of numeration with twelve as its base, rather than ten as in the decimal system.
Webster's New World
Synonyms:
  • twelfth part
  • twelfth
  • one-twelfth

Other Word Forms of Duodecimal

Noun

Singular:
duodecimal
Plural:
duodecimals

Origin of Duodecimal

  • From Latin duodecimus twelfth from duodecim twelve duo two dwo- in Indo-European roots decem ten dekm̥ in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • duo- +‎ decimal

    From Wiktionary

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duodecimal