Online English Dictionaries

VDict (Vietnamese Dictionary)
is the best and totally free Vietnamese-English-French Online Dictionary.
www.vdict.com

Merriam-Webster Dictionary
You can hear the pronunciation of words.
www.m-w.com

Visual Dictionary.
To learn by way of image with thematic, clear and precise pages, with concise and rigorous texts.
www.infovisual.info

Cambridge Advanced Learner's Dictionary
You can add it to your browser.

Newbury House dictionary of American English  contains over 40,000 entries. With simple, clear definitions, and provides a wealth of sample sentences and idioms.

Encyclopedia Britannica
Lets users simultaneously search the encyclopedia, expert reviews of the Web's best sites, timely articles from leading magazines, and related books.

Encarta World English Dictionary A big talking dictionary, click to hear the pronunciation of the word.

Wikipedia!
A free, open-content encyclopedia in many languages.

Your dictionary.com
More than 1500 dictionaries representing more than 230 languages.

Answer.com
A great site with all definition of every concept and term

Babel Fish
Machine translations of texts.

Eurodicautom
The European Commission's multilingual term bank. The focus is on specialized and technical terminology.

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