NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,545 terms related to cancer and medicine.
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- petroleum jelly
- listen (peh-TROH-lee-um …)
- A thick, greasy, substance with no odor or taste made from petroleum (mixture of oily liquids found in the earth). Petroleum jelly is used on the skin to prevent drying and to help heal scrapes and burns. It is also used as a base for some ointments. Also called petrolatum.