Definition of quattrocentism in English:
quattrocentism
noun ˌkwatrə(ʊ)ˈtʃɛntɪzəmˌkwɒtrə(ʊ)ˈtʃɛntɪzəm
rare The 15th-century style in Italian art, architecture, and literature.
Origin
Early 20th century. From quattrocento + -ism. Compare earlier quattrocentist.