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Dictionary

Words, grammatical forms and meanings linked to the ontology.

septendecennial en · ADJ

Pronunciation

  • /ˌsɛptəndɛˈsɛn.i.əl/

Etymology

From Latin septendec(im) (“seventeen”) + -ennial, after biennial, septennial, etc. By surface analysis, septen- + decennial.

Meanings

  1. (not-comparable, rare) Occurring every seventeen years; pertaining to or designating a seventeen-year interval.
    • The septendecennial emergence of Magicicada septendecim represents one of the most remarkable synchronized reproductive cycles in the animal kingdom, with entire broods surfacing after precisely seventeen years underground. 2025, Henry Feinberg, Entomological Patterns and Lexical Precision:

Deriveds

septendecenniality

Relateds

biennial · tredecennial · Magicicada septendecim · decennial · triennial · centennial · millennial · periodical cicada

Synonyms

heptadecennial