quindecennial / ˌkwɪn dɪˈsɛn i əl /

🎓大学词汇五十年五年五年期五周年

quindecennial 的 2 个定义

adj. 形容词 adjective
  1. of or relating to a period of 15 years or the 15th occurrence of a series, as an anniversary.
n. 名词 noun
  1. a 15th anniversary.