This reference contains more than 30,000 definitions, each containing a simply and concisely worded definition, plus applicable synonyms, pronunciation, and references to additional information. These definitions are tested for accuracy through consultation with experts in various fields of medicine and law regarding current usage. Many of the more than 3,500 illustrations are single-concept illustrations that help you concentrate on the meaning of a single word. Grasp and retain the meaning of a word more easily. Color coordination between word and illustration make it easy to find an entry's illustration.