sesquicentennial

英 [,seskwɪsen'tenɪəl] 美 [,sɛskwɪsɛn'tɛnɪəl]
  • adj. 一百五十（周）年的
  • n. 一百五十周年纪念
sesquicentennial
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英语词源

sesquicentennial (adj.)
"pertaining to a century and a half," 1878, from sesqui- + centennial. As a noun from 1880; first recorded reference is to Baltimore's.