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sesquicentennial
[ ses-kwi-sen-ten-ee-uhl ]
adjective
- pertaining to or marking the completion of a period of 150 years.
noun
- a 150th anniversary or its celebration.
sesquicentennial
/ ˌsɛskwɪsɛnˈtɛnɪəl /
adjective
- of or relating to a period of 150 years
noun
- a period or cycle of 150 years
- a 150th anniversary or its celebration
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Derived Forms
- ˌsesquicenˈtennially, adverb
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Other Words From
- sesqui·cen·tenni·al·ly adverb
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Word History and Origins
Origin of sesquicentennial1
An Americanism dating back to 1875–80; sesqui- + centennial
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Example Sentences
Many of us have tired of the blizzard of histories marking the sesquicentennial of the first years of the American Civil War.
From The Daily Beast
The ongoing sesquicentennial celebration has only redoubled that flood of new material and public fascination with the war.
From The Daily Beast
It was on the engine at the time of the Carlisle sesquicentennial but disappeared by the time of the St. Louis exposition.
From Project Gutenberg
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