NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,811 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.
- herbal supplement
- listen (ER-bul SUH-pleh-ment)
- A product made from a plant that is thought to be useful in treating disease or staying healthy. Herbal supplements are taken by mouth.