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  1. Medical Dictionary - Merriam-Webster

    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.

  2. Medical Dictionary

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

  3. OpenMD Medical Dictionary

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

  4. Medical Dictionary of Health Terms: A-C - Harvard Health

    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 …

  5. Medical Encyclopedia - MedlinePlus

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

  6. Medical Dictionary - online-medical-dictionary.org

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

  7. Medical Dictionary | Medical Terminology Dictionary

    Medical Dictionary is a free resource to look up medical terms. Trademarks belong to their respective owners. Copyright 1999 - 2026 Medical Dictionary Inc. All Rights Reserved. Privacy Policy. Medical …