Duodecennial
//ˌduːoʊdɪˈsɛnɪəl//
"Duodecennial" in a Sentence (2 examples)
The duodecennial Chinese zodiac originated from Chinese and Indian observations of the duodecennial cycle of the Jovian orbit.
The concept of a duodecennial "Jupiter return" in Western astrology arose from similar concerns.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.