OneLook Dictionaries - Searchable index of over 100 Internet-accessible online dictionaries/glossaries. Dictionaries are arranged by topic, but you can search them all at once.
Antagonyms - Words that have different and contradictory meanings (i.e. bad = 'bad' and 'good').
ARTFL Project - A searchable forms-based Roget Thesaurus.
Medical Online glossaries and dictionaries
1270 links to health, medical and science related websites, in English and 16 other languages. Divided per illness, discipline and per language.
dictionaries specialised in English, Medecine, Chemistry etc....
Organic Chemistry DictionaryEnglish Dutch, including E labels
Online glossaries and dictionaries by Xlation.
Online translation dictionaries by Trav Lang (language pairs).
BABEL - A Glossary of Computer Related Abbreviations and Acronyms
Free On-Line Dictionary of Computing (mirror) - Dictionary of acronyms, jargon, technology, etc. dealing with computing.
WWWebster Dictionary - Searchable English dictionary from Merriam-Webster.
Mike Adma's list of Feudal terms
Nathan Bailey's Universal Etymological Dictionary (1736) - SGML-tagged excerpts from the 1736 dictionary. Need an SGML browser (link provided to appropriate software) to view.
Bookbinding and Conservation Terminology Dictionary - From Conservation OnLine (CoOL) at Stanford University.
Botanical Glossary from GardenWeb - Searchable English glossary of botanical/gardening terms (words and their meanings).
Glossary of Microbiology - By Tsute Chen. Online searchable dictionary of microbiological (science) terms.
Robert Cawdrey's 'A Table Alphabeticall of Hard Usual English Words' - A 'dictionary', compiled by Robert Cawdrey circa 1604, of 'hard' English words. Includes historical information about Cawdrey and the dictionary.
Roget's Thesaurus - on-line. Based on the 1911 edition - synonyms and antonyms of words, phrases in English.
The Heteronym Homepage - Good list of heteronyms (words with the same spelling but different meanings) with explanations of the different pronunciations/meanings.
Wordsmyth English Dictionary-Thesaurus - Large searchable English dictionary (words and definitions are in English). Includes pronunciation guides and separation of word senses (different meanings of a word). By Robert Parks and the ARTFL.
Collins Cobuild - Reference works for learners of English. Includes online games and info for English (ESL/EFL) learners.
Online Oxford English Dictionary - at the University of Alberta. Telnettable, searchable English dictionary. May be limited to U of Alberta users.
The Oxford English Dictionary Online
The Phrase Finder - Add, search for a phrase.
Compendium of Environmental Acronyms
Dictionary of Cell Biology
Life Sciences Dictionary - From BioTech (Indiana University). Searchable dictionary of scientific terms (biology/microbiology/life sciences mostly).
Dictionary of Technical and Natural Language - Keyword searchable. Includes technical language as well as limited acronym searching.
On-line Medical Dictionary - List of Gray Cancer Institute medical dictionary.
WordNet Search - Interface to the WordNet database to search for synonyms, antonyms, etc. of words you enter.
English Dictionary (Gopher) - Another keyword-searchable English dictionary.
English Words - By Magnus Leksell. Large searchable English wordlist (just words - no definitions).
Feudal Dictionary (35k, Gopher) - A text-only dictionary of feudal terms.
EURODICAUTOM: An online multi-lingual and
dictionary of Scientific quotations: http://naturalscience.com/dsqhome.html
Ugeek:A comprehensive online glossary of technical terms
library: a host of links and resources listed according to
scientific discipline, for example the Genetics Virtual library, and the bio sciences virtual library
Glossary of mathematical terms: Excellent resource for
scientists and mathematicians alike
Harcourt online Science and Technology dictionary: an Academic
Press Dictionary of Science and Technology
Press, Dictionaries and Encyclopedias
online hyperreference: Online dictionaries, glossaries and
University of Vigo list of dictionaries and
Glossaries and Other References
the Environment: The Michigan electronic library: a huge
database of links to specific glossaries, dictionaries and thesaurus
Medical Dictionary http://cancerweb.nlc.ac.uk/omd/
Dictionaries, Glossaries, software, principles, database: http://www.1000dictionaries.com/chemistry_dictionaries_1.html
http://europa.eu.int/eurodicautom/login.jsp automatic translation
List of automatic translators http://www.bcs.org.uk/siggroup/nalatran/nala_a-z.htm
Translation engine http://www.voycabulary.com/ for entire homesites (also www voy.com>
Boogolinks collection provides a list of useful resources for translators: agencies,
vacancies, automatic translation, software, glossaries, mailing lists and more.
collection of tools, glossaries, translators and dictionaries
Automatic Online translation dictionaries
Babelfish translates texts and webpages....
From Dutch to... translation and language courses.
Internet resources http://www.chemie.fu-berlin.de/chemistry/index
Materials safety data On line http://hazard.com/msds
Science context: Marina's collection of journals, papers, dictionaries, classes
and the like http://claweb.cla.unipd.it/inglese/ssmmffnn/scienze/hotlinks.htm
English for Science: Ruth Vilmi's collection http://www.ruthvilmi.net/hut/EST/
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Quizzes and ESL Activities
Four ESL in Canada offers multilingual
activities for ESL students as well as crossword puzzles.
< a href="http://www.eslsounds.com">ESL Sounds provides fre listening exercises and quizzes