The most comprehensive and wide-ranging dictionary available -- the richest range of language from the undisputed authority. This new edition of the Collins English Dictionary has been fully revised to include thousands of the latest buzz and hi-tech words, as well as new meanings from the Bank of English, making it the most up-to-date dictionary available. It includes a much wider and richer range of words than ever before, with regional and dialect words contributed by hundreds of people from all over the UK, and generous coverage of World English, particularly from Australia, New Zealand, Canada, South Africa, and the USA. Its unparalleled coverage of scientific and technical entries has also been fully revised and updated by our team of leading academic experts. Language notes give advice on using the right word in the right place, and thousands of word histories trace the roots of modern English.