Duodecimal meaning

do͝o'ə-dĕs'ə-məl, dyo͝o'-
Of, relating to, or based on the number 12.

The duodecimal number system.

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Of or relating to twelfths.
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A twelfth.
noun
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Relating to twelve or twelfths.
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Consisting of or counting by twelves or powers of twelve.
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One twelfth.
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A system of numeration with twelve as its base, rather than ten as in the decimal system.
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Relating to or based on the number 12; having 12 as the base. In the duodecimal number system, each digit represents a multiple of a power of 12 instead of 10. Thus the duodecimal number 24 represents (2 × 121 ) + (4 × 120 ), or 28.
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(arithmetic) Of a number, expressed in base 12.

6B4 is the duodecimal notation for the decimal number 1000.

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(arithmetic) A number system that uses 12 as its base.
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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