A practical, easy-to-use dictionary specially designed for students new to working with a monolingual English dictionary. In addition to everyday, modern English, this dictionary gives wide coverage of technical terms, historical and usage information about the English language, pronunciation of difficult words and grammar points. 70,000 words, phrases and definitions. Wide coverage of terms from subjects such as science and mathematics. Explanation of essential grammar points. Information about the English language, such as varieties of English spoken today. Hundreds of word histories explore where words come from. Notes give help with easily confused words. Supplement on spelling and punctuation.