piperacillin

piperacillin

[pahy-per-uh-sil-in]
noun Pharmacology.
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.

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

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