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

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In our site you will discover facts about our planet, its complex patterns of biomes, plants, and animals, and how climates ultimately determine the biomes of our Earth.

Medical Discoveries: General Information and Biographies, A-An, Apg-Ban, Bar-Cod, Com-En, Enz-Ho, Hu-Mor, Ni-Ra, Ra-Thy, and To-Z

Encyclopedia.com – Online dictionary and encyclopedia with pictures, facts, and videos. Get information and homework help with millions of articles in our FREE, online library.

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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...

Read doctor-produced health and medical information written for you to make informed decisions about your health concerns.

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

Batman Wiki is a database that anyone can edit with articles on The Dark Knight, The Joker, Two Face, Mr. Freeze, Robin and other characters by DC Comics.

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

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...