The Oxford Dictionary of English is at the forefront of language research, focusing on English as it is used today, informed by the most up-to-date evidence from the largest language research programme in the world, including the 800-million-word Oxford English Corpus. This revised edition includes hundreds of brand-new words and senses, as well as up-to-date encyclopedic information, and extensive appendices covering topics such as countries, heads of state, and chemical elements. The dictionary includes 12 months' access* to Oxford's premium online dictionary and thesaurus service, Oxford Dictionaries Online, updated regularly with the latest developments to words and meanings, so you will have the most accurate picture of English available. Find out more about our living language using Oxford Dictionaries Online. Hear how words are spoken with thousands of audio pronunciations, and access over 1.9 million real English example sentences to see how words are used in context. Improve your confidence in writing with helpful grammar and punctuation guides, full thesaurus information, style and usage help, and much more. *Available in selected markets (UK, Europe, Australia, Canada, and South Africa). Terms and conditions apply; please see www.oxforddictionaries.com/access for information.