pentazocine

pentazocine [pen-taz-uh-seen] Word Origin noun Pharmacology.

1. a synthetic narcotic analgesic, C19H27NO, used chiefly for the relief of moderate to severe pain.

Origin of pentazocine 1960–65; penta- + (benz)azocine, a component of its chemical name British Dictionary definitions for pentazocine pentazocine noun

1. a powerful synthetic drug used in medical practice as a narcotic analgesic