Medical Dictionary definitions of popular medical terms easily defined on MedTerms
MedTerms medical dictionary is the medical reference for MedicineNet.com. Our doctors define difficult medical language in easy-to-understand explanations of over 16,000 medical terms. Medterms online medical dictionary provides quick access to hard-to-spell and often misspelled medical definitions through an extensive alphabetical listing. Explore MedTerms Medical Dictionary by Letter: If you know the spelling, use the search function above to look up the meaning of the medical term in MedTerms and find related medical articles on MedicineNet.com. If you're not sure of the spelling (medical misspellings are common), type the first few letters, followed by an asterisk(*). Word of the Day Tuberculosis: A highly contagious infection caused by the bacterium called Mycobacterium tuberculosis. Health News of the Week New & Updated A Note to Healthcare Professionals: The MedTerms online medical dictionary is written with consumers and patients in mind.