Search medical terms and abbreviations with the most up-to-date and comprehensive medical dictionary from the reference experts at Merriam-Webster. Master today's medical vocabulary.

By avoiding jargon, the dictionary offers concise and easily accessible information for users searching for descriptions of over-the-counter or prescription medications, medical …

OpenMD's medical dictionary aggregates definitions from leading medical institutions and includes illustrations, phonetic pronunciations, and related terms.

An alphabetical list of medical terms that provides a concise introduction and overview of medical terminology. It covers medical terms and the rules governing singular versus plural versions of …

This alphabetical list contains explanations of medical words you may come across on the RCOG website or when you see your doctor.

The A.D.A.M. Medical Encyclopedia includes articles about diseases, tests, symptoms, injuries, and surgeries. Search encyclopedia articles from A to Z.

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advance care directive (or advance medical directive): A legal document that describes the kind of medical care a person want if an accident or illness leaves him or her unable to make or …

Use this free online medical dictionary search engine to research and learn about medical terminology, pharmaceutical drugs, healthcare equipment, health conditions, medical devices, …

Use this list of common medical abbreviations and terminology used by doctors, medical specialists, RNs, PAs, and other health-care professionals to help you read and decipher the …