a varied development of Impressionism by a group of painters chiefly between 1880 and 1900 stressing formal structure, as with Cézanne and Seurat, or the expressive possibilities of form and color, as with Van Gogh and Gauguin.
British Dictionary definitions for postimpressionism
postimpressionism
noun
a movement in painting in France at the end of the 19th century, begun by Cézanne and exemplified by Gauguin, Van Gogh, and Matisse, which rejected the naturalism and momentary effects of impressionism but adapted its use of pure colour to paint subjects with greater subjective emotion
