NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,389 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- listen (ay-ZOK-see-MEH-thayn)
- A substance that is used in cancer research to cause colon tumors in laboratory animals. This is done to test new diets, drugs, and procedures for use in cancer prevention and treatment.