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piperacillin

[pahy-per-uh-sil-in]
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noun Pharmacology.
  1. a broad-spectrum semisynthetic penicillin, C23H26N5NaO7, used against certain susceptible Gram-positive and Gram-negative bacteria and certain anaerobes, especially P. aeruginosa.
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Origin of piperacillin

pipera(zinyl), a component of its chemical name (see piperazine, -yl) + -cillin, as in penicillin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018