There are many types of dictionaries. Most commonly, dictionaries provide definitions of words, along with other information like: pronunciation, history of the word, or its use in a sentence. Dictionaries may also provided translations of words (such as in a Mandarin-English dictionary) or focus on words used within particular disciplines (like Stedman's Medical Dictionary).
Thesauri typically provide synonyms and antonyms to particular words, helping you find just the right one to use in a sentence.
Oxford's most comprehensive dictionaries and thesauruses of current English including more than 350,000 words and phrases, and more than 1.9 million example sentences.
This product contains the Stedman’s Medical Dictionary including a broad range of full color illustrations, videos and reference materials. It also contains The Acland’s Atlas of Human Anatomy video series, the Health and Nursing Dictionary, Dental Dictionary and Pocket Medical Dictionary.