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sesquicentenary

Syllabification: (ses·qui·cen·ten·ar·y)

Definition of sesquicentenary

noun

chiefly British (plural sesquicentenaries)
  • a sesquicentennial.

adjective

  • of or relating to a sesquicentennial.

sesquicentenary in other Oxford dictionaries

Definition of sesquicentenary in the British & World English dictionary