Browse the Medical Dictionary: Merriam-Webster
For more than 150 years, in print and now online, Merriam-Webster has been America's leading and most-trusted provider of language information.
Each month, our Web sites offer guidance to more than 40 million visitors. In print, our publications include Merriam-Webster's Collegiate Dictionary (among the best-selling books in American history) and newly published dictionaries for English-language learners.
All Merriam-Webster products and services are backed by the largest team of professional dictionary editors and writers in America, and one of the largest in the world.
Thanks for joining us.