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NCI Dictionary of Cancer Terms


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.