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.