Dictionaries

• Merriam-Webster's Medical DictionaryMedline Plus version of the M-W dictionary by the NIH
• Dorland's Illustrated Medical Dictionary, 30th EditionOffers an illustrated dictionary for healthcare professionals.
• Healthopedia Medical EncyclopediaA large listing of diseases, symptoms, and other medical terms.
• Reference MD Comprehensive DictionaryMedical information from the National Library of Medicine 2007 Medical Subject Headings, National Institutes of Health, Federal Drug Administration. Clunky but comprehensive.
• The On-line Hypertext Medical DictionaryThe British On-line Medical Dictionary is a searchable dictionary of medical terms produced by CancerWEB.
• Acoustic Disorders Glossary
• Anatomy Glossary
• Archaic Medical Terms
• Bovine Spongiform Encephalopathy Terms Glossary of abbreviations and words relating to BSE.
• British Veterinary Abbreviations Glossary of veterinary terms and acronyms from the Society of Practicing Veterinary Surgeons .
• CDC - Chronic Fatigue Syndrome
• CDC - Chronic Fatigue Syndrome Glossary
• CDC - Hanta Virus Glossary
• CDC - National Vaccine Program Glossary This glossary is maintained by CDC's National Immunization Program (NIP) and contains terms associated with vaccines and vaccine-preventable diseases.
• CDC Glossary of Epidemiology
• CHORUS - Collaborative Hypertext of Radiology CHORUS is a hypertext medical reference. More than 1100 documents describe diseases, anatomy, and radiologic findings.
• CIGNA Education Center: Glossary of Health Terms Mostly terms related to health plans and health insurance.
• Cooperative Online Dictionary of Trauma Meanings of words and terms used by mental health professionals in traumatoloy.
• Diabetes Dictionary Online Diabetes dictionary derived from the original one produced by the United States National Institute of Diabetes and Digestive and Kidney Disease. Also has links to related sites.
• Dictionary Of Holistic Terms Glossary of common holistic health terms. Look out for popups.
• Dictionary of Pregnancy, Parenting and Preconception Dictionary of terms relating to pregnancy, parenting, breastfeeding, infertility.
• Drug Trade Terms Street terms for drugs and used in the drug trade from the United States Office of National Drug Control Policy.
• Ecological Epidemiology Glossary Cross-referenced glossary of ecological epidemiology terms edited by Jonathan Swinton, University of Cambridge.
• English-Chinese Medical Dictionary Contains thousands of English and Chinese terminology equivalents.
• Eye Care and Vision Terms Includes definitions of many eyecare and eye health words. From AllAboutVision.com
• Free Online Medical Dictionary A good medical dictionary on a cut-rate drug-peddling site.
• GeoParent Health and Wellness Dictionary Moms and dads - find health terms and definitions in the GeoParent health dictionary!
• Glossary of Healthcare Terminology
• Glossary of Managed Care Terms hundreds of managed healthcare definitions.
• Glossary of Medical Terms Alphabetical listing of medical terms.
• Glossary of medical terms: Danish Translation lists of medical terms across all European languages.
• Glossary of medical terms: Dutch Translation lists of medical terms across all European languages.
• Glossary of medical terms: English Translation lists of medical terms across all European languages.
• Glossary of medical terms: German Translation lists of medical terms across all European languages.
• Glossary of medical terms: Italian Translation lists of medical terms across all European languages.
• Glossary of medical terms: Portuguese Translation lists of medical terms across all European languages.
• Glossary of medical terms: Spanish Translation lists of medical terms across all European languages.
• Glossary of Suicide Terminology Reference for Suicide Survivors, teachers, students, and others seeking understanding for this serious topic.
• Glossary of Trauma Terms
• Greening Glossary from the United States Environmental Protection Agency.
• Hepatitis Glossary
• Human Genome Project Glossary Indexed and cross-referenced collection of genetic's terminology.
• Human Genome Project Glossary Indexed and cross-referenced collection of genetic's terminology.
• Immunology Terms Definitions of immunology-related vocabulary.
• Insulin-Free World Glossary Cross-referenced glossary of insulin-related terminology.
• Iowa Department of Public Health Dictionary Alphabetical listing of terms used within the department including goverment pseudonyms, acronyms and general medical and health-related vocabulary.
• KEMC Medical Definitions King Edward Medical College medical definitions.
• Laser Eye Surgery Glossary Independent and objective Website providing comprehensive information about Laser Eye Surgery, PRK, LASIK, RK, ALK, excimer laser, world medical directory, vision correction, photorefractive keratectomy, ophthalmology, Flap and Zap, excimer laser manufacturers, eye doctors, eye surgeons.
• Leukemia and Bone Marrow Transplant Glossary
• List and Glossary of medical terms: French