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Dictionaries (English)
Acronym Finder  - 302,000+ acronyms 
All Words.com
American - British, British - American Dictionary for English Speaking People
American Heritage Dictionary of the English Language
Bartleby.com
Cambridge Dictionaries Online 
Collins English Dictionary
Dictionary.com
Hyperdictionary
Merriam-Webster Online
OED Online - Sample
Oxford University Press USA
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Dictionaries (Other Languages) and Translation Services

Alternative Dictionaries  - International slang. Travel at your own risk!
American Heritage Spanish Dictionary
A-Z of Dictionaries

Chinese Characters & Culture: Zhongwen.com  - "Every character clickable."
Collection of Web Dictionaries
Dicionarios
Diccionarios en Internet
Ectaco Online Dictionaries - Arabic, Greek, Hungarian, Italian
English - Arabic Dictionary - Click on Maktoob
English - German Dictionary
English - Polish Dictionary
English - Portuguese Dictionary
English-Russian Student's Dictionary
Foreignword.com - Includes 265+ online dictionaries, machine/text translation online, 1001 glossary links and more!
French - English Dictionary
From Language to Language
Hungarian - English Dictionary
Joao Roque Dias' Translation Links for Translators, Interpreters, and Restless Minds
Juergen Peus' List of Dictionaries  - Extensive list
Language Box
Lexicool.com: Directory of Translation Dictionaries
Linguist List : Dictionaries, etc.
Majstro - A multilingual translation dictionary. Extensive new resource
One Look Dictionaries  - 5,292,362 words in 934 dictionaries 
Online Dictionaries and Translators
Online Universal Dictionary Shell - Translate between English, Finnish, Russian and German
Portuguese Dictionary
SpanishDICT.com
Specialized German Dictionaries Online
Your Dictionary.com
Yahoo! Dictionaries
 
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Dictionaries (Specialized)

American English Spelling Checker
ArtCyclopedia
Devil's Dictionary (Ambrose Bierce)
Dictionary of Philosophical Terms and Names
Dictionary 24.com  - Search English, German, Spanish, French, and Italian, all on one page
Dream Dictionary
Duhaime's Law Dictionary
GENDEX - WWW Genealogical Index
Glossarist: Directory of Glossaries & Topical Dictionaries
Glossary of Quaint Southernisms
Grandiloquent Dictionary - Obscure & rare words 
Jumble and Crossword Solver
Lexical Free Net : Connected Thesaurus
Luciferous Logolepsy - "Dragging obscure words into the light of day"
Martindale's "The Reference Desk" 
MedBioWorld
Medical Dictionary (MedLine+)
Merck Manual Home Edition
Merriam-Webster's Medical Desk Dictionary
Nonverbal Dictionary of Gestures, Signs, & Body Language Cues
One Across (Search for Crossword Puzzle Answers)
Online English Phrase Checker - How many times has a particular English phrase been used on the Web?
Online Etymology Dictionary
On-Line Medical Dictionary
Pseudodictionary - Made-up words, slang, webspeak, etc. 
Rhyme Zone - Also good for synonyms, Mother Goose, and quotations
Skeptic's Dictionary  - "A collection of strange beliefs, amusing deceptions, and dangerous delusions". 
Strange & Unusual Dictionaries - "Resources for Scrabble games, bar bets, and other trivial pursuits". Check out the White Queen's Dictionary of One Letter Words, the Dictionary of All-Consonant Words, and the Dictionary of All-Vowel Words
Symbols.com 
Thesaurus.com
Web Thesaurus Compendium
Word Origins.org
Word Spy - New and recently coined words, and older words now being used in new ways
Wordsworth Compendium
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Encyclopedias
 

Botany.com, the Encyclopedia of Plants
Canadian Encyclopedia Online
Catholic Encyclopedia
Columbia Encyclopedia
Cook's Thesaurus
Encyclopedia.com from Electric Library  - More than 57,000 articles from the Columbia Encyclopedia, 6th ed.
Encyclopedia of the Orient - N. Africa and the Middle East
Encyclopedia Smithsonian
Encycloport - Free online encyclopedias
Free Online Encyclopedias
Gay, Lesbian, Bisexual, Transgender & Queer Encyclopedia
Household Cyclopedia of General Information (1881)
Information Please
Internet Encyclopedia of Philosophy
MSN Learning and REsearch with Encarta Online
NOLO's Legal Encyclopedia
Nupedia.com: the Open Content Encyclopedia
Probert Encyclopedia
TechEncyclopedia- More than 20,000 IT terms
Webopedia - Online dictionary for Internet terms and technical support
Wikipedia - Collaborative project to produce a complete encyclopedia from scratch. Now has over 140,196 articles
WorldWide Gazeteer
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Produced and maintained by the UMass Amherst Libraries
Comments to: Barbara Stewart (stew@library.umass.edu)
This is an official page of the University of Massachusetts Amherst Campus.
Updated: 09/25/03