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Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

Welcome to InnerBody.com, your online guide to the anatomy and physiology of the human body. Study diagrams, internal organs, body parts and systems.

Patient resource for type 1 diabetes, type 2 diabetes, thyroid cancer, osteoporosis, adrenal disorders and other endocrine disorders. Includes information on treatments, conditions, surgery, prevention and recovery. Reviewed by leading endocrinologis...

Online Medical Dictionary and glossary with medical definitions

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Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...