sesquicentennial
[ses-kwi-sen-ten-ee-uh l]
- pertaining to or marking the completion of a period of 150 years.
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- a 150th anniversary or its celebration.
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Origin of sesquicentennial
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sesquicentennial
Contemporary Examples
Many of us have tired of the blizzard of histories marking the sesquicentennial of the first years of the American Civil War.
sesquicentennial
- of or relating to a period of 150 years
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- a period or cycle of 150 years
- a 150th anniversary or its celebration
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for 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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Online Etymology Dictionary, © 2010 Douglas Harper