Dictionaires

• Cambridge Dictionaries Online
  With definitions written for students of English.
• Merriam-Webster Online
  A dictionary with pronunciation and a thesaurus.
• Oxford Advanced Learner's Dictionary
  Online version of the classic dictionary for students of English.
• Dictionary.com
  A simple, easy-to-use dictionary and other resources.
• Vocabulary
  Enter your text and Vocabulary will create a dictionary link for every word.
• A Dictionary of British Slang
  Find the meaning of thousands of colloquial words and expressions.