3.- ONLINE DICTIONARIES

http://www.wordreference.com/ Multi-language online dictionary

http://www.askoxford.com/?view=uk Oxford English dictionary online

http://www.oup.com/elt/catalogue/teachersites/oald7/?cc=global
Oxford advanced learner’s dictionary online

http://dictionary.cambridge.org/
Cambridge advanced learner’s dictionary

http://en.wikipedia.org/wiki/Main_Page World encyclopaedia online (in English)

http://www.hiztegia.net/ Assorted dictionaries for speakers of Basque

http://www1.euskadi.net/morris/dictionary.htm Morris-Harluxet Basque-English dictionary

http://onlineslangdictionary.com/ Online slang dictionary project

http://www.peevish.co.uk/slang/ Online slang dictionary

http://www.englishpage.com/prepositions/phrasaldictionary.html
Dictionary of phrasal verbs.

http://idioms.thefreedictionary.com/ The Free Dictionary (section idioms)

http://www.idiomconnection.com/
The Idiom Connection (Proverbs, idioms and quizzes to practice)

http://www.merriam-webster.com/
Merriam-Webster dictionary online-Thesaurus