Based on the authority of the Oxford English Corpus and the ongoing research of Oxford Dictionaries, this revised edition of the Concise Oxford English Dictionary, 11th edition contains over 240,000 words, phrases, and definitions, and provides the most authoritative description of the English language. It offers rich vocabulary coverage, with full treatment of World English, rare, historical, and archaic terms, as well as scientific and technical vocabulary. This revised edition includes hundreds of new and up-to-date words, such as sudoku, agroterrorism, and bird flu, with a special focus on words and phrases used in business English eg. helicopter view, knowledge economy, and vulture fund. This edition retains such popular features as Word Histories, the Guide to Good English, and appendices on countries of the world, alphabets, and more. New to this edition is a compelling 'English Uncovered' supplement, which presents new findings from the Oxford English Corpus. Find out the most common words in our language, discover which words have the most meanings, and learn about the working of words beneath the surface.For UK only, there is a special promotion which will allow users to use a new SMS service to receive dictionary definitions direct to their mobile phone*. *Terms and conditions apply