30,000 references; Clear, straightforward definitions; In-depth treatment of key words; Common word combinations clearly indicated (e.g. densely populated, physically demanding, heavy traffic, sports facilities, singing content...); Concrete examples in natural and authentic English Usage notes to help avoid common mistakes; User-friendly colour layout; Useful study section giving information and help with English grammar. Includes a CD-ROM offering: The full contents of the dictionary; Comprehension exercices; Audio pronunciation of every dictionary entry; The chance ourself in order to improve pronunciation and intonation.