Medical Dictionary - Healthcare Definitions and TerminologyMedical Dictionary - Healthcare Definitions and Terminology is a free, iOS medical dictionary app that gives you instant access to more than 180,000 medical terms, over 50,000 audio pronunciations, and 12,000 images, all from authoritative sources, including McGraw-Hill, Houghton Mifflin, Elsevier, Mosby's, Saunders, Dorland's, Gale, and more.