piperacillin

US:USA pronunciation: respellingUSA pronunciation: respelling(pī per′ə silin)


WordReference Random House Unabridged Dictionary of American English © 2025
pi•per•a•cil•lin  (pī per′ə silin),USA pronunciation n. [Pharm.]
  1. Drugsa broad-spectrum semisynthetic penicillin, C23H26N5NaO7, used against certain susceptible Gram-positive and Gram-negative bacteria and certain anaerobes, esp. P. aeruginosa.
  • pipera(zinyl), a component of its chemical name (see piperazine, -yl) + -cillin, as in penicillin


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