2017 edition. Black's Medical Dictionary has been the best-selling medical dictionary for over 100 years. It is invaluable as a home reference and for all who need clear explanation of medical terms: nurses, health care professionals and students, health service management, actuaries, lawyers and journalists. It contains over 5000 definitions and descriptions of medical terms and concepts with over 1000 diagrams, drawings and colour illustrations. It also provides helpful appendices on common medical tests and procedures, travel and health, measurements in medicine, health economics, complementary and alternative medicine, and an address list of support professional organisations.