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.
Source: wiktionary
Septendecennial
//ˌsɛptəndɛˈsɛn.i.əl//
Synonyms for "septendecennial" (1 found)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.