ampicillin

[ am-puh-sil-in ]
/ ˌæm pəˈsɪl ɪn /

noun Pharmacology.

a broad-spectrum semisynthetic penicillin, C16H19N3O4S, effective against certain susceptible Gram-positive and Gram-negative bacteria.

Origin of ampicillin

First recorded in 1965–70; probably am(inobenzyl)p(en)icillin, an alternate chemical name

British Dictionary definitions for ampicillin

ampicillin
/ (ˌæmpɪˈsɪlɪn) /

noun

a semisynthetic penicillin used to treat various infections

Medical definitions for ampicillin

ampicillin
[ ăm′pĭ-sĭlĭn ]

n.

A semisynthetic penicillin having a broader antibacterial spectrum of action than that of penicillin G. It is effective against gram-negative and gram-positive bacteria and used to treat gonorrhea and infections of the intestinal, urinary, and respiratory tracts.

Scientific definitions for ampicillin

ampicillin
[ ăm′pĭ-sĭlĭn ]

An antibiotic derived from penicillin that has a broad antibacterial spectrum of action. It is effective against gram-negative and gram-positive bacteria and is used primarily to treat gonorrhea and infections of the respiratory, urinary, and intestinal tracts.