A two-piece, hinged art object, such as a panel painting or ivory relief. A diptych is designed to opened for viewing or closed for travel or storage. Pronunciation here.
Hans Memling. Diptych of Jean de Cellier. Oil on panel. Ca. 1475. Musée du Louvre, Paris.
Diptych of Flavius Anastasius Probus. Ivory. Ca. 517 CE. Bibliothèque Nationale de France, Paris.