A new American Dictionary specifically designed for learners of English. Written for individuals working to improve their English language skills. Featuring over 42,000 words, phrases, and meanings - including help with grammar, collocations, synonyms, and word choice - our learner'sdictionary uses the words you already know to define new vocabulary. In addition, the American Dictionary for learners of English includes interactive tools to help students plan, write and review their written work. Researched with help from an Advisory Board of language experts who understand the needs of English learners or any students who are struggling with writing.