Dictionary of Epidemiology
This dictionary contains linked cross-references within each definition and is compiled by the University of Cambridge, U.K.. http://bovis.gyuvet.ch/3dict/348epide.htm

Dictionary of Pharmaceutical Medicine
The Dictionary of Pharmaceutical Medicine includes acronyms and abbreviations, and is maintained by Pharma-Lexicon International. "http://www.pharma-lexicon.com/

Glossary for Evidence Based Public Health
This glossary defines and explains the main concepts of evidence based public health. http://jech.bmjjournals.com/cgi/reprint/58/7/538.pdf

Healthfinder: Medical Dictionaries
Healthfinder is a comprehensive directory that contains a list of links to medical dictionaries and glossaries on the Internet. From the home page, click on 'medical dictionaries'. This site is supported by the Office of Disease Prevention and Health Promotion, U.S. http://www.healthfinder.gov/

Merriam-Webster Medical Dictionary
This well-known dictionary includes basic (keyword) and advanced search engines. http://www.nlm.nih.gov/medlineplus/mplusdictionary.html

Office of Rare Diseases: Glossary
This site defines terms in 6000 rare diseases. It is based on glossaries developed by a range of U.S. government and academic institutions. http://rarediseases.about.com/gi/dynamic/offsite.htm?site=http%3A%2F%2Frarediseases.info.nih.gov%2Fglossary_a-e.html

On-Line Medical Dictionary
Containing over 47,000 definitions, the site provides a one-stop source of information about medical and scientific terms and includes many cross-referenced links to related resources on the Internet plus bibliographical citations to print publications. It is accessible by subject area, alphabetical listing or a keyword search engine. The site is maintained by the University of Newcastle on Tyne, U.K.. http://cancerweb.ncl.ac.uk/omd/

Online Medicine and Science Dictionaries
This is a list of links to general and specialist online medical dictionaries and glossaries. http://www.sciencekomm.at/advice/dict.html