Practice Essentials. Chronic lymphocytic leukemia (chronic lymphoid leukemia, CLL) is a monoclonal disorder characterized by a progressive accumulation of functionally incompetent lymphocytes (see the image below). It is the most common form of leukemia found in adults in Western countries.
â¢ OIL PAINTING (noun) The noun OIL PAINTING has 2 senses: 1. a picture painted with oil paints. 2. the art or method of painting with oil paints. Familiarity information: OIL PAINTING used as a noun is rare.
Classic vs. Modern. To many artists and art lovers, oil paintings are synonymous with a classic medium, while acrylic works are a modern art form. Think oil, and the first thing that comes to mind is a masterpiece. Think acrylic and see bold, contemporary colors. Painting with oil on canvas probably originated in the 13th century and continues to be a favorite option for many. The current medium dates to the 15th century and Belgian Jan van Eyck.