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Dictionaries and Encyclopedias

English Language Dictionaries
Cambridge Dictionaries Online (Cambridge U. Press)
The International Dictionary of English, Dictionary of American English, International Dictionary of Idioms, and International Dictionary of Phrasal Verbs.
Oxford English Dictionary, 2d edition
This resource allows basic searching (include etymology and definitons); quotation searches (quotes by author, work, date and quoted text); boolean searches and proximity searches.
Roget's Thesaurus (ARTFL Project, University of Chicago)
http://humanities.uchicago.edu/forms_unrest/ROGET.html
Stedman's Medical Dictionary (StatRef)
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WWWebster Dictionary (Merriam Webster Dictionary)
Thorough English language dictionary, including a thesaurus. Other services include "Word of the Day" and radio scripts for "Word for the Wise". http://www.m-w.com/mw/netdict.htm
Foreign Language Dictionaries
Dictionnaire Bilingue Francais-Anglais
Search for the translation of any English or French word. http://sun-recomgen.univ-rennes1.fr/FR-Eng.html
ECHO- Eurodicautom (Jens Kurlanda, Felix Gaehtgens)
Eurodicautom is the European Commissions multilingual term bank. When it was first set up in 1973 the development team drew upon the know-how and lexicographic material of two other tools available to Commission translators: Dicautom, a phrasal automatic dictionary launched in 1964, and Euroterm, a translation dictionary developed in 1962-68.
English-Chinese Dictionary of Medical Terms (Wong Kia Boon, National University of Singapore)
An online English-Chinese medical dictionary that will comprise the editor's personal selection of 15,000 commonly used medical terminologies
English-Deutsch Worterbuch
http://www.tu-chemnitz.de/urz/netz/forms/dict.html
English-Russian Dictionary (Denis Roudenko)
The dictionary counts 76984 entries
Swedish-english Dictionary (The Swedish Schoolnet)
Both English to Swedish and Swedish to English, along with Swedish to several other languages
TLF Dictionary (ARTFL Project, University of Chicago)
Jean Nicot's Thresor de la langue française (1606) Dictionary. http://humanities.uchicago.edu/forms_unrest/TLF.html
Subject Dictionaries
Biotech Life Science Dictionary (University of Texas)
8300+ terms deal with biochemistry, biotechnology, botany, cell biology and genetics. We also have some terms relating to ecology, limnology, pharmacology, toxicology and medicine.
Clinical Epidemiology & Evidence-Based Medicine Glossary ( John M. Gay, Washington State University)
Words, synonyms, common abbreviations, and complete definitions for the more important concepts unique or useful to epidemiology, particularly clinical epidemiology and evidence-based medicine, and related terms that appear often in the medical literature.
Dictionary of Cell Biology
Dictionary of Ecological Epidemiology (Jonathan Swinton)
Dictionary of PC Hardware and Data Communication Terms (Mitchell Shnier, O'Reilly Associates)
http://www.ora.com/reference/dictionary/
Dictionary of Scientific Quotations (naturalSCIENCEJournals)
This is a short dictionary of scientific quotations. Other more comprehensive collections of scientific quotations can be found in print collections. http://naturalscience.com/dsqhome.html
Free On-line Dictionary of Computing (Denis Howe)
The Free On-line Dictionary of Computing (FOLDOC) is a searchable dictionary of acronyms, jargon, programming languages, tools, architectures, operating systems, networking, theory, mathematics, telecoms, institutions, companies, projects, products, history, in fact anything to do with computing. http://wombat.doc.ic.ac.uk/foldoc/about.html
http://biotech.icmb.utexas.edu/ (University of Texas)
Reference resource including a dictionary of biology terms and a Chemical Acronyms Database.
Human Gene Nomenclature (Human Gene Nomenclature Committee)
Site includes a searchable database of approved gene symbols, and nomenclature guidelines.
On-line Medical Dictionary (Gray Laboratory Cancer Research Trust-UK)
46,000 brief definitions covering biochemistry, cell biology, chemistry, medicine, molecular biology, physics, plant biology, radiobiology, science and technology. Browse by subject or alphabetically. Searchable. Links between definitions.
Stedman's Medical Dictionary (StatRef)
Webopedia (internet.com)
Online dictionary and search engine for computer and Internet technology.
Collections of Dictionaries, Thesauri, and Translators
Cambridge Dictionaries Online (Cambridge U. Press)
The International Dictionary of English, Dictionary of American English, International Dictionary of Idioms, and International Dictionary of Phrasal Verbs.
Dictionaries (The Linguist List)
Dictionaries by linguistic subfield or by subject language.
Direct Translations Page (Alta Vista)
Provides web page translation service in the language pairs of English-Spanish, English-French, English-German, English-Portugese, and English-Italian. Users can search and then simply hit the translate button, at which time the language options are given. Users may also use the direct translation page; at present this method is more effective when page content is cut and pasted directly than when an URL is specified.
Language Dictionaries and Translators (Rivendell International Communications)
OneLook Dictionaries
Meta search engine for nearly 500 web-based dictionaries in multiple subject areas.
Terminology Collection Online Dictionaries (Anita Nuopponen)
http://www.uwasa.fi/comm/termino/collect/index.html#general
Web of On-line Dictionaries (R. Beard)
"Now linked to more than 350 dictionaries of over 100 different languages" http://www.bucknell.edu/~rbeard/diction.html
Encyclopedias
Britannica Online
Encyclopedia Britannica (available to the Yale/YNHH community)
Encyclopedia of Life Sciences (Nature Publishing Group)