NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,122 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 (met-FOR-min)
- The active ingredient in a drug used to treat diabetes mellitus (a condition in which the body cannot control the level of sugar in the blood). It is also being studied in the treatment of cancer. It decreases the amount of glucose (a type of sugar) released into the bloodstream from the liver and increases the body’s use of the glucose. Metformin is a type of antidiabetic agent.