quindecennial
[ kwin-di-sen-ee-uh l ]
/ ˌkwɪn dɪˈsɛn i əl /
adjective
of or relating to a period of 15 years or the 15th occurrence of a series, as an anniversary.
noun
a 15th anniversary.
Origin of quindecennial
Words nearby quindecennial
quincuncial,
quincunx,
quincy,
quindecagon,
quindecaplet,
quindecennial,
quindecillion,
quine,
quinella,
quinestrol,
quinhydrone
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