centenario
centennial
centennial
centennial
+
-ario
adjective suffix
Centenario means centennial and can be thought of as centennial0 + -ario1 (adjective suffix1).
adjective
- centennialRelating to or marking a hundredth anniversaryCelebramos el evento centenario de la fundación de la ciudad. // We celebrated the centennial event of the city's foundation.
noun
- centenaryA hundredth anniversaryEl centenario de la independencia fue celebrado con gran entusiasmo. // The centenary of independence was celebrated with great enthusiasm.