NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,922 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 (BYOO-tayn)
- A colorless gas that catches fire easily and is used as fuel. It is found in gasoline, lighter fluid, and some aerosol sprays. Butane is also one of many harmful chemicals found in tobacco smoke.