Definition of TRICENNIAL

tricennial

Meanings

Adj

  • Of, related to, lasting, or occurring once every thirty years.
  • Of or related to a tricennalia, the celebrations marking the 30th year of a Roman emperor's rule.

Origin / Etymology

From Latin trīcennium (“30-year period”) + -al, from trīcennis (“30-year”) + -ium, from trīciēs (“30 times”) + annus (“year”) + -is. Compare Latin tricennalis. Equivalent to tri- + decennial. Doublet of tricennal.

Synonyms

trigintennial

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