quindecennial

[ kwin-di-sen-ee-uhl ]

adjective
  1. of or relating to a period of 15 years or the 15th occurrence of a series, as an anniversary.

noun
  1. a 15th anniversary.

Origin of quindecennial

1
<Latin quīndec(im) fifteen + -ennial (as in decennial)

Words Nearby quindecennial

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British Dictionary definitions for quindecennial

quindecennial

/ (ˌkwɪndɪˈsɛnɪəl) /


adjective
  1. occurring once every 15 years or over a period of 15 years

noun
  1. a 15th anniversary

Origin of quindecennial

1
C20: from Latin quindecim fifteen + annus year, on the model of biennial

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