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

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

Online educational resources for K-12, college, gradudate school, and distance learning – free online dictionary, thesaurus, encyclopedia, test preparation, homework help and information about K-12 schools, colleges, college admissions, and student ...

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

Browse through thousands of 3D models, Illustrations, and Photographs of the human body. Complete description of anatomy structures and audio pronunciation.

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

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...

Medical Dictionary is intended for use by healthcare consumers, students, and professionals as well as anyone who wants to keep up with the burgeoning array of terminology found in today’s medical news. By staying clear of jargon, the dictionary o...