quindecennial
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English
[edit]Etymology
[edit]From Latin quindecennialis, from quindecennium (“15-year period”) + -alis (“-al: forming adjs”). Equivalent to quindec- + -ennial.
Adjective
[edit]quindecennial (not comparable)
- Lasting fifteen years.
- Happening once in fifteen years.
Further reading
[edit]- “quindecennial”, in OneLook Dictionary Search.