Following is a list of freeware that provides medical dictionaries, encyclopedias and spellers. To learn more about a particular item, click on the item name. To download a software product or visit an interactive web site, click on 'download' or 'view,' respectively. But first, please read our disclaimer and permissions page if you haven't already done so.

Diccionario de Términos de Seguridad e Higiene en el Trabajo: Español – Inglés
By Oregon Occupational Safety and Health Administration. A PDF file of common occupational safety and health words and terms used in industries that employ Spanish-speaking workers. Spanish to English.
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Dictionary of Occupational Safety and Health Terms: English to Spanish
By Oregon Occupational Safety and Health Administration. A PDF file of English to Spanish occupational safety and health terms.
download

Electronic Encyclopaedia of Perinatal Data (EEPD)
By Dr. Rupert Fawdry. This website is long term voluntary generic initiative by clinicians to link together on one website what is needed for an Open Source approach to improving shared Electronic & Paper IT Systems for Hospital/Community Maternity and Neonatal Care.
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Encyclopedia of Health Topics
By The University of Iowa. Patient medical references organized from A to Z.
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EU Risk Phrases
By International Occupational Safety and Health Information Centre (CIS). Risk phrases used in the European Union.
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EU Safety Phrases
By International Occupational Safety and Health Information Centre (CIS). Safety phrases used in the European Union.
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Eurasia Health Glossaries
By Eurasia Health Knowledge Network. English- and Russian-language terms related to health and medicine.
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Free Medical Dictionary Spell Checker 2.0
By Medical-Dictionary-Software.com. Free Medical Dictionary Spell Checker provides free medical terminology spell check software for the medical transcriptionist, medical student, and medical professional. Free Medical Dictionary Spell Checker includes the following medical specialties: anatomy, anesthesiology, biology, cardiology, dermatology, endocrinology, hematology, immunology, neurology, oncology, ophthalmology, pathology, podiatry, radiology, toxicology, urology, virology, and more.
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Free Medical Spell Check
By Free-Medical-Spell-Check.com. Download antivirus for windows 7. The Free Medical Spell Check is a medical terminology spelling reference tool for Windows. With the Free Medical Spell Checker you can verify the proper spelling of medical terms in almost every medical specialty and field. Designed primarily for medical transcription students and professionals, yet it can also be enjoyed by anyone who needs to verify medical terminology spellings.
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Genium Web Club
By Genium Publishing Corporation. Free but requires registration. Browse several databases including Chemical Hazard Data (look up a CAS number, caution statement, or fire diamond for over 1,100 common workplace chemicals), Safety and Health Glossary (search over 1,500 terms, abbreviations, and acronyms of special interest to the safety community), and Environmental Data (look up method references and sampling guidelines, procedures, and preps for solid and aqueous samples).
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HealthScout Health Encyclopedia
By The HealthScout Network/MDchoice.com, Inc. An encyclopedia of health information with symptoms, causes, and treatments.
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Medical Abbreviations Dictionary
By Pharma-Lexicon International. Search through a database of over 200,000 medical, biotech, pharma, and healthcare acronyms and abbreviations by using either an alphabetical listing (membership required) or a search engine box. You can search either by abbreviation or definition.
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MEDLINE plus Health Information
By US National Library of Medicine. Find information on hundreds of diseases, conditions, and wellness issues. Safety topics include accidents, first aid/emergencies, motor vehicle safety, and disasters and emergency preparedness.
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Merriam-Webster Medical Dictionary
By Aetna InteliHealth, Inc. Look up medical terms.
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Multilingual Glossary of Technical and Popular Medical Terms
By Heymans Institute of Pharmacology. This system, commissioned by the European Union, contains the electronic form of eight glossaries, in which you can find 1800+ technical and popular medical terms in eight of the nine official European languages : English, Dutch, French, German, Italian, Spanish, Portuguese and Danish.
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NCHS Definitions
By US Center for Disease Control (CDC). An alphabetical listing of many terms used at the National Center for Health Statistics (NCHS).
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Online Medical Spell Checker of Medical Terminology
By Free-Medical-Spell-Check.com. The Online Medical Spell Checker spell checks medical terminology and pharmaceutical terminology instantly. Over 500,000 terms in all.
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Rare Disease Terms
By National Institutes of Health (NIH). A glossary of rare disease terms. An orphan or rare disease is generally considered to have a prevalence of fewer than 200,000 affected individuals in the United States. Certain diseases with more than 200,000 affected individuals are included, but subpopulations of these conditions may be less than the prevalence standard for rare disease.
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Safety and Related Acronyms
By The Laboratory Safety Institute. Find out the definition of safety-related acronyms with links to more information.
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Word! A Glossary of Medical Words
By The Nemours Foundation. Defines medical words for children.
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