vicenary

• 过时形容词，意为与二十有关的，或指持续二十年的时期。

An obsolete adjective meaning relating to the number twenty or a period of twenty years.

1. Relating to the number twentyC2formal

   Of, relating to, or based on the number twenty.

   二十进制的

   • The vicenary system was used in some ancient cultures for counting.
   • A vicenary period lasts twenty years.
   • The scholar studied the vicenary numeral system of the Mayans.

   同义词vigesimal