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  1. 11 Rules of Writing - This site is a concise guide to some of the most commonly violated rules of writing.
  2. AGI GIS Dictionary - Revised Edition - includes definitions for 980 terms which either relate directly to GIS or which GIS users may come across in the course of their work.
  3. ARTFL Project - Project dedicated to French language including a 150 million word database of written French.
  4. A Word A Day - Give the Gift of Words
  5. Able Writer: A Rhetoric and Handbook - describes an English composition handbook that treats pre-writing, outlining, English grammar, usage, word choice, dictionaries, spelling, punctuation, and writing college research papers.
  6. Acronym Finder - a searchable database of over 141,000 acronyms/abbreviations and their meanings. Covers: common acronyms, computers, technology, government, telecommunications, and military acronyms, with an emphasis on Department of Defense (DoD), Air Force, Army, and Navy acronyms.
  7. Acronyms Used in the Computer Community
  8. Advice on Research and Writing
  9. Allwords.com - English dictionary with multi-lingual search
  10. Alta Vista: Translations - translate web pages or your own text from or to several languages.
  11. Alternative Dictionaries, The
  12. American Sign Language Fingerspelling - This site has a number of tools for novices and experts alike to help you become proficient at fingerspelling. For novices, site has a standard dictionary to learn the basic fingershapes. For fun, see what a word looks like with a fingerspelling converter. If you need to practice your receptive skills, try the interactive quiz.
  13. Anagram Server
  14. Antagonyms - words that have opposite meanings. For example "bad" can mean bad or good depending on usage.
  15. ArtLex - You will find definitions of more than 3,100 terms here, along with numerous illustrations, pronunciation notes, great quotations, and links to other resources on the Web.
  16. Babel - A Glossary of Computer Oriented Abbreviations and Acronyms.
  17. Barkley's Financial Glossary
  18. Basic Dictionary of American Sign Language Terms
  19. Basic Phrases: For Eastern European Languages
  20. Big List of Languages
  21. Biographical Dictionary - This dictionary covers more than 28,000 notable men and women who have shaped our world from ancient times to the present day.
  22. Bloomberg Financial Glossary - Over 6,000 entries with 15,000 links complied by Campbell R, Harvey, Fuqua School of Business, Duke University.
  23. Book of Cliches
  24. Book Terms & Glossary
  25. Bouviers Law Dictionary
  26. Cambridge Dictionaries Online - An online search engine allowing users to find definitions.
  27. Carnegie Mellon's Language Learning Resource Center
  28. Cognitive Science Dictionary
  29. Common Errors in English - site which simply and entertainingly explains a number of common spelling and usage errors in English.
  30. Constructed Human Languages
  31. Copy Editor - written for copy editors of magazines, newspapers, books, and newsletters.
  32. Language Software
  33. CyberItalian - interactive language course as well as culture, chat, and links.
  34. DOD Dictionary of Military Terms - All approved joint definitions are contained in Joint Publication 1-02, "DOD Dictionary of Military and Associated Terms."
  35. Darling's Guide to Grammar
  36. Devil's Dictionary, The
  37. Dictionary.com- You can subscribe a service to recieve one word a day with meaning in your email.
  38. Dictionary of Carnivorous Plant Names
  39. Dictionary of Cell Biology
  40. Dictionary of Computing
  41. Dictionary of Computer Terms
  42. Dictionary of Diabetes - This dictionary by the National Diabetes Information Clearinghouse defines words that are often used when people talk or write about diabetes. It is designed for people who have diabetes and for their families and friends.
  43. Dictionary of Difficult Words - index of over 13,900 difficult words from The Hutchinson Dictionary of Difficult Words. Use as a resource for increasing your vocabulary, for word games and puzzles, or just for enjoying and enriching your word power.
  44. Dictionary of Digital Camera Terms
  45. A Dictionary of Quotations - The 2,100 entries in this eminently researched collection form the constellation of collected wisdom in American political debate.
  46. Dictionary of Investment Terms: Investopedia - Over 3500 investment related terms available with search capacity.
  47. Dictionary of Financial Terms: Lightbulb Press - The financial terms you need to know in language you can understand.
  48. Dictionary of Management Jargon
  49. Dictionary of Math Terms for Kids - An animated, interactive dictionary for students which explains over 400 common mathematical terms in simple language.
  50. Dictionary of Mountain Bike Slang
  51. Dictionary of Music
  52. Dictionary of Orthodontic Terms
  53. Dictionary of Philosophical Terms and Names
  54. Dictionary of Philosophy of Mind - dictionary for those terms commonly used, defined, contested, and misunderstood in the philosophy of mind.
  55. Dictionary of Phrase and Fable - E. Cobham Brewer's 1898 collection of more than 18,000 entries that reveal the etymologies, trace the origins and otherwise catalog 'words with a tale to tell.'
  56. Dictionary of Scientific Quotations
  57. Dictionary of Symbolism - From abnormality to zodiac, this dictionary lists common literary symbols and their connotations.
  58. Dictionary of Units of Measurement - This dictionary, put together by Russ Rowlett, the Director of the Center for Mathematics and Science Education at the University of North Carolina Chapel Hill, will help you learn more about units of measurement.
  59. Dictionary of Units, A - an explanation of the principal systems of units, their history, standards, and conversion factors for changing from one to the other.
  60. Dictionaries on the Web
  61. Dictionary Society of North America
  62. DOT - Dictionary of Occupational Titles - It's the official dictionary of occupational titles. DOT's database is arranged alphabetically and can be read online or downloaded in one file.
  63. Duhaime's Law Dictionary - Researched, written in plain language and provided free of charge, to the WWLIA and its users, by lawyer Lloyd Duhaime.
  64. Elements of Style - By William Strunk
  65. Encarta World English Dictionary
  66. English as a Second Language
  67. English Grammar Links for ESL Students - includes references, exercises and quizzes.
  68. English/Cockney Rhyming Slang Dictionary
  69. English-French Dictionary and French-English Dictionaries
  70. English-Romanian and romanian-English Dictionaries
  71. English-Spanish Library and Information Studies Dictionary
  72. Esperanto-English and English-Esperant Dictionaries
  73. Ethnologue Database - on-line database of information about 6,500 languages. Includes alternate names, number of speakers, location, dialects, linguistic affiliation, and other sociolinguistic and demographic data.
  74. Etymology Sites»» Behind the Name | Etymologyically Speaking | Fun With Word Origins | Online Etymology Dictionary | Origin of Phrases | Phrase Finder | Roots of English: an Etymological Dictionary | Take Our Word for It | Word Detective | Word for Word | Word with You | Word Origins | Word Spy
  75. Name Translation - This site looks into the meaning and history of common first names.
  76. European Medical Dictionary - 1830 medical terms in Danish, Dutch, English, French, German, Italian, Portuguese and Spanish
  77. Evolution of Alphabets - exploration of early alphabets uses animation to demonstrate the transformation of written characters over time.
  78. Foreign Languages for Travelers
  79. Freedict.com - translating dictionaries from English to the following languages: Afrikaans, Danish, Dutch, Finnish, French, Hungarian, Indonesian, Italian, Japanese, Latin, Norwegian, Portuguese, Russian, Spanish, Swahili, and Swedish.
  80. FreeTranslation.com - FreeTranslation.com is a straight forward, easy-to-use site for rapid translations where you can get the 'gist' of foreign language text and web pages.
  81. Glossarist.com - a comprehensive searchable directory of Glossaries and Topical Dictionaries on 100s of subjects.
  82. Glossary of Anthropology - This searchable glossary provides definitions for terms in archaeology and physical and cultural anthropology.
  83. Glossary of Botanical Terms
  84. Glossary of Business Terms: ABC News
  85. Glossary of Business Terms: Washington Post
  86. Glossary of Cancer
  87. Glossary of Internet Terms
  88. Glossary of Investment Terms
  89. Glossary of Musical Terms
  90. Glossary of Poetic Terms
  91. Glossary of Solar Physics
  92. Glossary of Statistical Terms
  93. Glossary of Stock Market Terms: Nasdaq
  94. Glossary of Stock Traders Terms
  95. Glossary of Transplantation
  96. Glossary of Vision Terms
  97. Glossary of Weather Terms: Washington Post
  98. Glossary of Wireless Terms
  99. Grammar and Style Notes - by Jack Lynch
  100. Hacker's Dictionary
  101. Hawaiian Dictionary Online - Hawaiian-English and English-Hawaiian words.
  102. Hebrew Tutorial
  103. Heteronyms - words that are spelled identically but have different meanings when pronounced differently (e.g., wind or lead).
  104. HyperDictionary - This dictionary looks up the word and presents the definitions twice. First a clean definition then with every work in the definition hyperlinked.
  105. iLoveLanguages
  106. International Journal of Lexicography - concerned with all aspects of lexicography; focus is on dictionaries of the major European languages.
  107. InvestorWords - "With over 5,000 investing terms and 15,000 links between related words, InvestorWords is the most comprehensive financial glossary you'll find anywhere, online or off."
  108. Internet Dictionary: Net Lingo
  109. Jane's Defence Glossary - search over 20,000 defence-related acronyms and abbreviations in the Janes' database
  110. Japanese Language
  111. Japanese Online
  112. Jargon Dictionary
  113. King's English - by H.W. Fowler
  114. LangToLang.com - Free multilingual dictionary offers bidirectional, single and multiple words translation from/to: English, German, French, Spanish, Russian, Italian and Turkish language pairs.
  115. Languages - This BBC site provides resources to help you learn Spanish, French, German, Italian, and other languages through online lessons. You can also learn holiday phrases in 34 languages and more.
  116. Language and Culture: Transparent.com - covers more than thirty languages from Arabic to Finnish to Tagalog to Ukrainian. Learn Survival Phrases. Each language has about two dozen commonly used phrases - in the language, in English translation, and as a sound file.
  117. Languages on the Web - All about foreign languages, 30,000+ selected links to as many as 400 different languages, online language courses, language sites evaluation, free advice on how to study, plus the first Internet library of multilingual parallel texts to let you learn faster and more effectively.
  118. Languages Made Clear - Learn foreign languages for free online.
  119. Latin Dictionary and Grammar Aid
  120. Latin-English Dictionary
  121. Latin Language and Literature - This list of online resources provides links to Latin-English and multilingual dictionaries, study aides, and literature resources.
  122. Latin Phrases
  123. Latin Terms and Phrases in Mathematics
  124. Learn Spanish - A free, online tutorial for learning Spanish. Each lesson includes a cultural lesson both in English and Spanish (many with links to additional resources), practice exercises, and a test. Words in the lessons and the cultural files are linked to sound files so you can hear the correct pronunciation (requires the free Real Player plug-in.
  125. Legal Dictionary: FindLaw
  126. Lexical FreeNet - a directory of over 500 translation dictionaries and glossaries.
  127. Life Science Dictionary - 8300+ terms that deal with biochemistry, biotechnology, botany, cell biology and genetics. We also have some terms relating to ecology, limnology, pharmacology, toxicology and medicine.
  128. List of Dictionaries
  129. Literary Encyclopedia and Literary Dictionary - The aim of The Literary Encyclopedia and Literary Dictionary is to provide profiles of the lives and works of literary authors whose works are valued in the English language, and to do so within an electronic publication which will enable readers to explore literary history as never before.
  130. Little Explorers Picture Dictionary with Links - Fun and educational use of the Internet. Great place for kids to explore.
  131. LOGOS - Multilingual Dictionary
  132. Luciferous Logolepsy - a collection of over 9,000 obscure English words.
  133. Medical Dictionary - Site features encylopedic dictionary of over 9,000 classic and contemporary medical terms. Written entirely by physicians for both professional and non-professional readers site assists everyone concerned about health -- their health and the health of those that matter to them.
  134. Michaelis Soft Dicionários - variety of dictionaries online: English/Portugues; Spanish/Portuguese; Portuguese/German and Portuguese/French.
  135. Movie Terminology Glossary - definitions of terms and phrases frequently used in the world of movies, film, acting, and cinemagoing.
  136. Multilingual Dictionary of the Horse
  137. Multilingual Translation Dictionary
  138. Netdictionary - alphabetical reference guide to standard internet English, presented as a Java applet and as a set of HTML files.
  139. NETGLOS Glossary of Internet Terms - Chinese/English/French/German/Norwegian/Serbo-Croatian/Spanish
  140. The New Dictionary of Cultural Literacy - The 6,900 entries in this major new reference work form the touchstone of what it means to be not only just a literate American but an active citizen in our multicultural democracy.
  141. New User Dictionary
  142. Newbury House Online Dictionary - This online dictionary contains over 40,000 entries and is based on the best selling Newbury House Dictionary of American English. Providing simple and clear definitions, this online tool provides a wealth of sample sentences, idioms, and a wide array of cultural facts and figures.
  143. Nonverbal Dictionary of Gestures, Signs & Body Language Cues - Items in this Dictionary have been researched by anthropologists, archaeologists, biologists, linguists, psychiatrists, psychologists, semioticians, and others who have studied human communication from a scientific point of view. Every effort has been made to cite their work in the text.
  144. OneLook Dictionary Search - Look up a word or term in an Internet dictionary or glossary. Free search access to a frequently updated database of words, terms, names, and acronyms.
  145. On-line Chinese Tools - "These pages hope to provide tools to assist people in learning and using the beautiful Chinese language.
  146. On-line Dictionaries
  147. Online Spell checker
  148. On-Line Dictionary of Street Drug Slang - Indiana Prevention Resource Center
  149. On-Line English Grammar
  150. Online Etymology Dictionary
  151. Online Language Dictionaries and Translators
  152. On-line Medical Dictionary - over 46,000 terms relating to biology, chemistry, medicine, science or technology.
  153. Omniglot: A Guide to Writing Systems -This website provides a guide to over 150 different alphabets, syllabaries and other writing systems including a few you will find nowhere else. It also contains details of many of the languages written with those writing systems and links to a wide range of language-related resources, such as fonts, online dictionaries and online language courses.
  154. Oxford English Dictionary
  155. Oxymoron List - "The Largest List of Oxymorons Ever Collected Online.
  156. Paradigm Online Writing Assistant - guide to writing, composition, rhetoric, editing, and style.
  157. Phrase Finder - Phrases, sayings, idioms and cliches.
  158. Polish-Dictionary.com - This online English-Polish Dictionary contains approximately 2000 words, phrases, and expressions.
  159. Poker Glossary
  160. Purdue Univ. OWL - Online Writing Lab
  161. Rhyming Dictionary
  162. RhymeZone - site offers rhymes, synonyms, antonyms, related words, and other phonetic and semantic functions; it also has integrated cross-referencing of famous quotations, Shakespeare, Biblical passages, Mother Goose rhymes, and user-submitted poetry.
  163. Sampler: New Words in Meriam-Webster's Collegiate Dictionary - Once a decade, Merriam-Webster updates its best-selling dictionary includes 10,000 new words and more than 100,000 new meanings and revisions among its 225,000 definitions. This site presents an overview of news words added.
  164. Sanskrit-English & English-Sanskrit
  165. SharpWriter.com - "Whether you are a technical writer, a novelist, a student writing a term paper, a manager writing a memo, a journalist writing a travel article -- SharpWriter.Com is your resource! "
  166. Skeptic's Dictionary
  167. Spanish Dictionary - This English-Spanish/Spanish-English dictionary has over 56,508 entries with over 10,369 audio pronunciations.
  168. Specialty Dictionaries - Not even a native speaker knows all the words of his own language. Technical vocabulary is used only by specialists and so is not generally known by non-specialists. At this site you will find dictionaries and glossaries of specialized words in the English language, from Accounting to Wine.
  169. Spell Checker - Free online spell checker. Copy and paste a word or document up to 5000 characters to check and correct it online.
  170. SpellOnLine - Free international spell checking for any text or any web page.
  171. SpellWeb
  172. Swedish-English Dictionary
  173. Take Our Word For It - Archive of etymology questions
  174. TechDictionary.com - Search for thousands of computer and technology terms by term or keyword. Included are; computer, Internet and telecommunications terms, acronyms, emoticons or smilies, chat abbreviations, filename extensions, HTML tags, and domain suffixes.
  175. TheFreeDictionary.com - English, Medical, Legal, and Computer Dictionaries, Thesaurus, Encyclopedia, a Literature Reference Library, and a Search Engine all in one!
  176. Tongue Twisters - the "world's largest collection of tongue twisters" features close to 2,000 international entries.
  177. Travlang's Translating Dictionaries - multilingual on-line dictionaries including German, French, Spanish, English, Dutch, Danish, Afrikaans, Esperanto, and more.
  178. Victorian London Dictionary - period resources guide to the social history of Victorian London.
  179. Visual Dictionary of Special Plane Curves - including description, history, formulas, properties, and links for each.
  180. Visual Thesaurus - Plumb Design - an exploration of sense relationships within the English language. By clicking on words, you follow a thread of meaning, creating a spatial map of linguistic associations.
  181. Voycabulary - lets you look up words in online dictionaries and thesauruses by entering in a url or paragraph and clicking on the words. Supports many languages and translations.
  182. Webster's Revised Unabridged Dictionary
  183. We Do Languages Come From - We don't ask ourselves where languages come from because they just seem to be there: French in France, English in England, Chinese in China, Japanese in Japan, and so forth. Yet if we go back only a few thousand years, none of these languages were spoken in their respective countries and indeed none of these languages existed anywhere in the world. Where did they all come from? This question is examined by this site by Exploratorium Magazine.
  184. Word2Word - Language Resources
  185. WordLab - "Nomenclature + Phraseology + Punmanship Exercises."
  186. Xrefer - This site provides reference material available on the web. Content includes a sizable selection available at no charge via a searchable database. A few of the 100 free titles include: Oxford Dictionary of Art, The Penguin Dictionary of Economics, The Penguin Dictionary of Music, Bloomsbury Thesaurus, Compact American Dictionary of Computer Words and much more.
  187. Xlation.com - More Than Words - this site maintains a directory of links to about 1,600 glossaries (search by language and subject area) and over sixty online grammars.
  188. Yahoo! - Grammar, Usage, and Style
  189. Ye Olde English Sayings
  190. yourDictionary.com - Over 800 dictionaries in 150 different languages.
  191. Web Translator - Easy to use
  192. Free Translator - Very easy to use navigation system.
  193. Latin English Dictionary at Babylon.com - The rich collection of English to Latin and Latin to English dictionaries features terminology and phraseology and the most widely used Latin words and expressions from the legal and scientific jargon.
  194. languagecourse.net - Many languages trace their routes to Europe, and the European Mediterranean. Even while there are vast differences between Latin, or English, or the Slavic languages, they all in some way trace their routes to a family of languages called the Indo-European languages.