piperacillin sodium

[pī-pĕr′ə-sĭlĭn]

n.

A semisynthetic broad-spectrum antibiotic related to penicillin and active against a variety of gram-positive and gram-negative bacteria.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.