|a defect in a lens system in which different wavelengths of light are focused at different distances because they are refracted through different angles. It produces a blurred image with coloured fringes|
|a stew of meat, vegetables, potatoes, etc.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
chromatic aberration n.
Color distortion in an image produced by a lens, caused by the inability of the lens to bring the various colors of light to focus at a single point. Also called chromatism.
See under aberration.