NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,812 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 (FLOOR-ide)
A form of the
element fluorine that helps prevent tooth decay. Fluoride
may be naturally present in drinking water or may be added
to it. Fluoride may also be put directly on the teeth, as a
gel, toothpaste, or a rinse.