NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,863 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.

alkylating agent
(AL-kuh-LAY-ting AY-jent)
A type of drug that is used in the treatment of cancer. It interferes with the cell's DNA and inhibits cancer cell growth.