List of Links - Online Dictionaries

Cambridge Dictionary
http://dictionary.cambridge.org/
Link to Cambridge University Press dictionaries for learners of English. Users may research the dictionaries.

BYU Corpus of American English
http://www.americancorpus.org/
When it was released in February 2008, the BYU Corpus of American English contained more than 360 million words. Created by Mark Davies of Brigham Young University, this massive word bank allows users to find the frequency of particular words and phrases (in context) and to trace syntactic changes and semantic shifts over the past 80 years.

British National Corpus
http://corpus.byu.edu/bnc/
Also designed by Mark Davies, this site enables users to sort, search, count, and compare the 100 million words in the British National Corpus.

Electronic Dictionary of the Irish Language
http://www.dil.ie/
A digital edition of the complete contents of the Royal Irish Academy’s Dictionary of the Irish Language based mainly on Old and Middle Irish materials.

Electronic Middle English Dictionary
http://quod.lib.umich.edu/m/med/
It brings 15,000 pages with a comprehensive analysis of lexicon and usage of English in the 1100-1500 period, based on the analysis of a collection of over three million citation slips, the largest collection of this kind available.

Macmillan Dictionary
http://www.macmillandictionary.com/
The focus on Global English is one of the distinguishing features of the site from Macmillan Publishers.

Oxford Dictionaries Online
http://oxforddictionaries.com/
Dictionary by Oxford University Press.

The GNU version of The Collaborative International Dictionary of English

http://www.ibiblio.org/webster/
The GNU (General Public License) Project's publication of CIDE, the Collaborative International Dictionary of English.

Urban Dictionary

http://www.urbandictionary.com/
"A veritable cornucopia of streetwise lingo, posted and defined by its readers."

Visual Dictionary Online
http://visual.merriam-webster.com/
Visual Dictionary Online by Merriam-Webster: "Search the themes to quickly locate words, or find the meaning of a word by viewing the image it represents."

Webster

http://machaut.uchicago.edu/websters

Web page developed by the University of Chicago that allows you to view both the 1828 and 1913 editions of Webster's Dictionary and compare results.

Wordnet

http://wordnet.princeton.edu/
A lexical database of English that can be downloaded.

Wordnik

http://www.wordnik.com/
A project of online dictionary with over 4 billion words that shows examples of sentences to show words in context, information on the word's frequency and use patterns, related words and is also open for contribution with the recording of pronunciations, pointing us towards new words, adding tags and related words, and leaving notes.