* More words than any other advanced learner's dictionary.
* 183,500 words, phrases, and meanings.
* 85,000 examples showing how words are used.
* 20,000 new words and meanings.
* 5,000 study words used in the sciences, math, computing, literature, and business.
* Full coverage of American English and pronunciation.
* Oxford 3000: the 3,000 key words that students need to know.
* 7,000 synonyms and opposites with usage notes.
* Over 2,000 illustrations and photographs.
* 80-pages Reference Section with a handy Quick Grammar Guide and special focus pages on topics such as telephoning and text messaging, informal letters and e-mails.