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Dictionary of Cancer Terms
Under the auspices of the National Cancer Institute (NCI), this dictionary contains more than 6,000 terms related to cancer and medicine
FOLDOC Free On-Line Dictionary of Computing
FOLDOC is a searchable dictionary of acronyms, jargon, programming languages, tools, architecture, operating systems, networking, theory, standards, and more
Language Dictionaries and Translators
A collection of online dictionaries in numerous languages. Many, but not all have a searchable index.
Abbreviations and Acronyms
A comprehensive database of acronyms, abbreviations, and initialisms arranged in categories such as: information technology, science and medicine, and organizations and schools
Contains over 200,000 medical, biotech, pharmaceutical and healthcare acronyms and abbreviations