Online Medical Dictionary and glossary with medical definitions

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

Princeton University is a vibrant community of scholarship and learning that stands in the nation's service and in the service of all nations.

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

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

Before you decide to have surgery, arm yourself with information. Find out if you need surgery, how to find a surgeon, all about anesthesia and the r...

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictiona...

YouTube is a place to discover, watch, upload and share videos.

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the la...

Center for Genomic Pathology

Radiopaedia.org, the online collaborative radiology resource.