English Dictionary
Oxford Advanced Learner's Dictionary

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About the Author

Book Description
The world's best-selling advanced learner's dictionary, now with Oxford iWriter to help students plan, write and review their written work
Cambridge Advanced Learner's Dictionary

Book Description
A new edition of the Cambridge Advanced Learner's Dictionary, which is now more user-friendly than ever. This new edition features hundreds of new words, and 'Word partner' boxes to help you use words in the most natural way. * NEW! 'Extra help' section includes maps, illustrations and photos, and the 'Let's Talk' section focuses on spoken English * NEW! More Learner Error notes taken from the Cambridge Learner Corpus help you avoid common mistakes
Longman Dictionary Of Contemporary English

Book Description
Never be lost for words again
230,000 words, phrases and meanings
165,000 corpus-based examples
Integrated Collocations Dictionary with over 65,000 collocations
Integrated Thesaurus with over 18,000 synonyms, antonyms and related words
Register notes focus on the differences between spoken and written English
3000 most frequent words in spoken and written English highlighted
Clear definitions written using only 2000 common words