This dictionary contains an alphabetical wordfinder of over 1000 words and phrases, additional feature spreads on key topics setting the meaning of words in context rather than in isolation, and it is fully supported with diagrams and illustrations. A fresh new look for this dictionary which contains an alphabetical wordfinder of over 1000 words and phrases and additional feature spreads on key topics, all fully supported with diagrams and illustrations. It sets the meanings of mathematical words and concepts in context, making it a key dictionary for all secondary level mathematics students.