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.
Famous Oil Paintings By the Most Influential Artists. Almost all of the world's greatest painters since the Renaissance, except for Michelangelo (1475-1564), have produced masterpieces using the medium of oil paint. Here is a short selection of the world's most influential oil painters and their works.