This authoritative and accessible dictionary uses a unique combination of carefully verified definitions and clearly labelled images to explain even the most complex of topics. 187 000 clear concise definitions and entries cover general vocabulary - including English words from around the world - as well as specialist technical rare and new words and phrases. 4 500 carefully selected images provide instant visual definitions and deepen understanding of the text entries 600 eye-catching illustrated feature panels offer more information on a wide range of topics - from science and technology to natural history art and music.