This bestselling dictionary has now been fully revised and updated and has the following features: clear, attractive layout that is easy to use and easy to read; restricted defining vocabulary, so students looking up a word will not find five more they don't know in the definition! up-to-date and international coverage of today's vocabulary (2000 new entries in the new edition); special provision for those studying other subjects in English at the secondary school level (hundreds of new scientific and technical entries added in the new edition); example sentences for words presenting usage problems