quindecennial
[ kwin-di-sen-ee-uhl ]
/ ˌkwɪn dɪˈsɛn i əl /
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adjective
of or relating to a period of 15 years or the 15th occurrence of a series, as an anniversary.
noun
a 15th anniversary.
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Origin of quindecennial
Words nearby quindecennial
quincuncial, quincunx, Quincy, quindecagon, quindecaplet, quindecennial, quindecillion, Quine, quinella, quinestrol, Qui Nhon
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for quindecennial
quindecennial
/ (ˌkwɪndɪˈsɛnɪəl) /
adjective
occurring once every 15 years or over a period of 15 years
noun
a 15th anniversary
Word Origin for quindecennial
C20: from Latin quindecim fifteen + annus year, on the model of biennial
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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