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piperacillin

[ pahy-per-uh-sil-in ]

noun

, Pharmacology.
  1. a broad-spectrum semisynthetic penicillin, C 2 3 H 2 6 N 5 NaO 7 , used against certain susceptible Gram-positive and Gram-negative bacteria and certain anaerobes, especially P. aeruginosa.


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Word History and Origins

Origin of piperacillin1

pipera(zinyl) , a component of its chemical name ( piperazine, -yl ) + -cillin, as in penicillin

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