Collins COBUILD Advanced Dictionary of American English / Edition 1 in Bloomington, MN

With innovations such as DefinitionsPLUS and vocabulary builders, the Collins COBUILD Advanced Dictionary of American English transforms the learner's dictionary from an occasional reference into the ultimate resource and must-have dictionary for language learners. The definitions have been created using a controlled vocabulary, and each definition has been reviewed by a team of classroom teachers to ensure that they are appropriate for learners at the intermediate level.