Cambridge Dictionary of American English provides definitions for about 40,000 words and is compiled to offer what learners need most in a dictionary. Easy access - the ability to find what they are looking for quickly and easily; clear definitions - explanations that can be immediately..............understood plenty of examples - sentences taken from speech and writing that show how words are used current vocabulary - words and phrases that are used in school, business, technology, the arts, and everyday life in the 21st century.Key features: based on a 200 million-word corpus of American English that shows which words and phrases are really used in current American English, and what people really mean when they say or write those words; organized by meaning to help learners use English effectively; guidewords to help you quickly find the exact meaning you are looking for; a 2,000-word defining vocabulary to help make definitions easy to understand.