You searched for: “sesquicentennial
sesquicentennial (adjective) (not comparable)
Referring to a period of 150 years or pertaining to something that occurs every 150 years; relating to or happening after a period of 150 years.
This entry is located in the following units: centi-, cent- (page 3) -enni-, -ennial, -ennium (page 4) sesqui- (page 1)