sesquicentennial
pronunciation
How to pronounce sesquicentennial in British English: UK [ˌseskwɪsen'tenɪəl]
How to pronounce sesquicentennial in American English: US [ˌseskwɪsen'tenɪrl]
Word Origin
- 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.