NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,780 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 (HY-per-FRAK-shuh-NAY-shun)
- A treatment schedule in which the total dose of radiation or chemotherapy is divided into small doses and treatments are given more than once a day.