Longman Dictionary of American English: Teacher's Companion

This dictionary is based on American corpuses of natural written and spoken English - the Longman Corpus Network. Written using the 2000-word Longman Defining Vocabulary, signposts help students find the exact definition they need quickly. Over 44,000 words and phrases are featured, with natural examples for better understanding of how words are used. "Spoken Phrases" boxes show natural, typical examples and idioms that only appear in speech. Simplified grammar codes give students easy access to essential grammar, whilst usage notes help students to avoid common errors.