Tredecennial

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A period of thirteen years. nonce-word, rare, singular

    "The tredecennial covered by the period of the survey was in a sense a most remarkable one; for it includes, with almost exact divisions, three significant sub periods: the prewar, the war and the post-war."

Example

More examples

"The tredecennial covered by the period of the survey was in a sense a most remarkable one; for it includes, with almost exact divisions, three significant sub periods: the prewar, the war and the post-war."

Etymology

Latin trēdecennium + English -al or Latin trēdecim + English -ennial

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.