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.
| 词汇 | sesquicentennial | 
| 词根词缀 | Online Etymology Dictionary 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. | 
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