Sesquicentennial

Pronunciation

• IPA: /ËŒsÉ›skwɪsÉ›nˈtÉ›niÉ™l/

Origin

-("one-and-a-half") + centennial("of 100 years")

Full definition of sesquicentennial

Adjective

1. Occurring every 150 years
2. Of, or relating to a sesquicentenary

Noun

1. A 150th anniversary.The city celebrated its sesquicentennial last year.

Related terms

• sesquicentenarian
• sesquicentenary