vigintennial

English dictionary entry

Meanings

adj
  1. Synonym of vicennial, occurring every twenty years.

Word forms

vigintennial

Etymology

From viginti- (“twenty”) + -ennial (“yearly”), from Latin vīgintī (“twenty”) and -enniālis, from annus (“year”) + -is (“forming compound adjectives”) + -ālis (“-al: forming adjectives”).

Synonyms

vicennial occurring every twenty years
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