A Web of On-line Dictionaries -- Your Dictionary.com - Contains pointers to more than 800 on-line and specialized dictionaries in over 175 different languages. Includes a quick look-up feature (search) using Mirriam-Webster's Collegiate Dictionary, Tenth Edition.
Federal Standard 1037C: Glossary of Telecommunication Terms - The General Services Administration (GSA) issues this standard. The document provides Federal departments and agencies a comprehensive source of definitions of terms used in telecommunications and directly related fields by international and U.S. Government telecommunications specialists.
Free On-Line Dictionary of Computing (FOLDOC) - FOLDOC is a searchable dictionary of acronyms, jargon, programming languages, tools, architecture, operating systems, networking, theory, conventions, standards, mathematics, telecoms, electronics, institutions, companies, projects, products, history, in fact anything to do with computing.
Glossary of Internet Terms - This Internet Glossary is growing. Terms and definitions are being added all the time. If you have comments, corrections, or suggested additions, please send them to Walt Howe using the form below. My thanks for the many suggestions that already have been included.
Google Definitions - The Google search engine offers this free service to find definitions for words, phrases and acronyms.
LookWAYup Dictionary/Thesaurus and Translation - This 200,000 entry online English dictionary tolerates small spelling errors, shows definitions for multiple senses of the word, and for each sense shows synonyms, related terms, and usage examples. It optionally translates that sense to Spanish, French, Dutch, Portuguese, or German. Within the dictionary, you can double-click on any word in the definition to define it. It can also be installed on browsers, web sites, PDAs, and mobile phones.
MDA Glossary - An online glossary of terms and acronyms maintained by the Missle Defense Agency (MDA)
MilitaryWords.com - This site provides a search capability to find both acronyms and military terms. It has over 5700 DoD Terms and over 100,000 military and government acronyms and abbreviations. for terms, the source is identified along with similar terms. It is maintained by Mountain Data Systems and powered by Acronym Finder.
Netdictionary - Netdictionary is an alphabetical reference guide to technical, cultural, and humorous terms related to the Internet.
NetLingo: The Internet Language Dictionary - This online dictionary contains definitions of hundreds of words that are emerging as a new vocabulary surrounding the technology and community of the Internet and the World Wide Web.