This is the world's bestselling advanced learner's dictionary, recommended by learners of English and their teachers, and used by 30 million people. Key features - 183,500 British and American words, phrases, and meanings, plus 85,000 examples showing how words are used. - 20,000 word origins explained on the COMPASS CD-ROM - Over 200,000 extra example sentences on the COMPASS CD-ROM. - 2,000 new words and meanings from British and American English, such as offshoring, life coach, sex up, wi-fi. - 5,000 study words used in the sciences, maths, computing, literature, and business. - 700 entries for words from Australia, Canada, East Africa, India, New Zealand, South Africa, and West Africa. - Oxford 3000: identifies the 3,000 keywords students need to know. - Special entries for words on the Oxford 3000 list, with extra information on synonyms and collocations, and extra examples to extend vocabulary. - 7,000 synonyms and opposites shown. - 200 special synonym notes covering 1,200 synonyms. - Illustrations and photographs explain 2000+ words. - Labelled illustrations show related vocabulary. - 32 colour pages illustrate groups of words such as extreme sports, music, etc. - Colour maps - much appreciated by teachers and students. - 2,600 encyclopedic entries to explain references such as Walter Mitty, Fort Knox, Marie Celeste, Peter Pan, Beacon Hill. - Over 10,000 entries on every aspect of British and American culture on the COMPASS CD-ROM. - NEW Oxford 3000 Vocabulary Trainer shows students how to exploit the keyword entries and provides practical activities that help build vocabulary and prepare for exams such as CAE and TOEIC.