piperacillin

American  

[pahy-per-uh-sil-in] / paɪˌpɛr əˈsɪl ɪn /

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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Etymology

Origin of piperacillin

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