Collins COBUILD Advanced Dictionary

The fully comprehensive dictionary of English for advanced learners.

Find Out More Find out more Buy the Book Find out more is the Collins COBUILD Advanced Dictionary of English that you can build online. It includes thousands of specialist words for all subjects, which you can choose to meet your own needs as a learner.

COBUILD Online Dictionary is the online version of the Collins COBUILD Advanced Dictionary. Search and build on the complete COBUILD online dictionary, with thousands of additional subject words in medicine, business, sport and more. Full COBUILD online dictionary access is included in your book purchase.

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