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Vinony

quinquennial

adjective

  1. happening once every five years
  2. consisting of or lasting for five years
L1419201 on Wikidata ↗

noun

  1. a fifth anniversary
  2. a period of five years
L1419202 on Wikidata ↗

Wiktionary

Pronunciation: /kwɪŋˈkwɛ.ni.əl/

adj

Etymology: Borrowed from Latin quīnquenniālis, from quīnquennium (“5-year period”) + -ālis, from quīnquennis (“5-year”) + -ium (“-ium: forming abstract nouns”), from quīnque (“five”) + annus (“year”) + -is (suffix forming compound adjectives).

  1. Of or related to a five-year period.

    “By a singular coincidence, the great master of the Dorian lyre was born during the celebration of the Pythia, the quinquennial festival of Apollo[…]”

    “The best data that BEA have come from the quinquennial censuses of business; these are used to “benchmark” the national accounts every five years and to compute new input-output tables.”

noun

Etymology: Borrowed from Latin quīnquenniālis, from quīnquennium (“5-year period”) + -ālis, from quīnquennis (“5-year”) + -ium (“-ium: forming abstract nouns”), from quīnque (“five”) + annus (“year”) + -is (suffix forming compound adjectives).

  1. Synonym of quinquennium, a five-year period.
  2. A 5th anniversary, particularly
  3. A 5th anniversary, particularly