Online Medical DictionaryMedTerms™

  1. MedTerms medical dictionary is the medical reference for Our doctors define difficult medical language in easy-to-understand explanations of over 16,000 medical terms.
  2. MedTerms online medical dictionary provides quick access to hard-to-spell and often misspelled medical definitions through an extensive alphabetical listing.

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Lung cancer: Cancer of the major organ of respiration - the lung. Lung cancer is one of the most common forms of cancer. Since the majority of lung cancer is...

Full medical definition for Lung cancer »
Related Article: Lung Cancer main article »

A Note to Healthcare Professionals: The MedTerms online medical dictionary is written with consumers and patients in mind. Here are other medical reference books recommended by our doctors:

  • Dorland's Illustrated Medical Dictionary
  • Mosby's Medical Dictionary
  • Stedman's Medical Dictionary
  • Taber's Cyclopedic Medical Dictionary