1) Pointillism 
Divisionism (also called Chromoluminarism) was the characteristic style in Neo-Impressionist painting defined by the separation of colors into individual dots or patches which interacted optically. By requiring the viewer to combine the colors optically instead of physically mixing pigments, Divisionists believed they were achieving the maximum lu...
in painting, the practice of separating colour into individual dots or strokes of pigment. It formed the technical basis for Neo-Impressionism. ...
See pointillism.
Principle of obtaining the effects of light in painting by juxtaposing instead of mixing tints. -- L.V.
pointillism.