duodecade

English

Etymology 1

duodeca- +‎ -ad(e); compare decade.

Noun

duodecade (plural duodecades)

1. A period of twelve years.
   • 1880, The Popular Science Monthly, page 471:

     A second part is meadow-land, and every twelve years this is divided into as many parts as there are holders of village rights, and each one receives a share, of which he has the exclusive use until the redivision at the end of the duodecade.

Alternative forms

• dodecade (less common)

Coordinate terms

• monad · duad, dyad · triad · tetrad · pentad · hexad · heptad · octad · ennead, nonad · decad, decade · hendecad · dodecad, duodecade

Related terms

• dodecad

Etymology 2

duo- +‎ decade.

Noun

duodecade (plural duodecades)

1. (possibly nonstandard) A period of twenty years.
   • 1996, Mary Lindemann, Health & Healing in Eighteenth-century Germany (→ISBN):

     When I divide the past sixty years, 1706-65, into twenty-year periods, [I discover that] in the first duodecade, 702 people died, that is, an average of 35 a year. In the second period to 1745, 850, or 42i/$ each year, perished.

   • 1999, Reformation:

     McIntosh sampled four to six consecutive Leet Court sessions, usually covering two to three years, in each twenty-year span or 'duodecade' of her period. Her f1gures therefore provide a minimum number of communities involved ...

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Latin

Noun

(deprecated template usage) duōdecade

1. ablative singular of duōdecas