 In 1913, Apollinaire published the essay "Les Peintres Cubistes, Méditations Esthétiques" on the Cubist painters, a movement which he helped to define.He also coined the term "orphism" to describe a tendency towards absolute abstraction in the paintings of Robert Delaunay and others.In 1907 Apollinaire published the well-known erotic novel, "The Eleven Thousand Rods" ("Les Onze Mille Verges").