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 offers fast and concise information, whether the user is searching for a description of an over-the-counter or prescription medication, a medical abbreviation, a test procedure, a medical research topic, or an illness. Over 45,000 entries from all areas of medicine and healthcare are included.

LIVESTRONG offers trusted health information and health news on diseases, symptoms, drugs, treatments and more. Get healthy with LIVESTRONG's articles and videos on diet, nutrition, fitness, weight loss and other health concerns. LIVESTRONG's active community can help you stay healthy and live a balanced daily lifestyle. Visit LIVESTRONG as your one-stop resource for all your health needs.

wiseGEEK: clear answers for common questions

Ask questions on any topic, get real answers from real people. Have a question? Ask it. Know an answer? Share it. Find and share information on Answerbag.com.

The Probert Encyclopaedia is an extensive free online encyclopedia and dictionary of over 300,000 cross-referenced and interlinked topics with over 16,000 photos and illustrations and over 2000 maps, specialising in information not found in other encyclopedias and dictionaries.

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