NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,800 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.
- aerobic exercise
- listen (ayr-OH-bik EK-ser-size)
- Physical activity that increases the heart rate and the body’s use of oxygen. It helps improve a person’s physical fitness.