NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,804 terms related to cancer and medicine.
Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.
- listen (thee-uh-FLAY-vin)
- A substance formed when green tea is fermented to make black tea. It is being studied in the treatment of cancer and other conditions, such as high cholesterol. It is a type of antioxidant.