ampicillin

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am·pi·cil·lin / ˌampiˈsilin/ • n. Med. a semisynthetic form of penicillin used chiefly to treat infections of the urinary and respiratory tracts.

ampicillin

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ampicillin (am-pi-sil-in) n. a semisynthetic penicillin administered by mouth or injection in the treatment of a variety of infections, including those of the urinary, respiratory, biliary, and intestinal tracts. Trade names: Penbritin, Rimacillin.