bicentenary
adj.
"pertaining to a 200-year period," 1843; see bi- + centenary. Also see bicentennial. As a noun, "a bicentennial anniversary or celebration," also from 1843.
| 词汇 | bicentenary | 
| 词根词缀 | Online Etymology Dictionary bicentenary adj. "pertaining to a 200-year period," 1843; see bi- + centenary. Also see bicentennial. As a noun, "a bicentennial anniversary or celebration," also from 1843. | 
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