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.
- meperidine hydrochloride
- listen (meh-PAYR-ih-deen HY-droh-KLOR-ide)
- A drug used to treat moderate to severe pain. It binds to opioid receptors in the central nervous system. Meperidine hydrochloride is a type of analgesic agent and a type of opioid. Also called Demerol.