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meperidine

American  
[muh-per-i-deen, -din] / məˈpɛr ɪˌdin, -dɪn /

noun

Pharmacology.
  1. a narcotic compound, C 1 5 H 2 1 NO 2 , used as an analgesic and sedative.


Etymology

Origin of meperidine

First recorded in 1945–50; me(thyl) + (pi)peridine