ampicillin
noun/ˌæmpɪˈsɪlɪn/
/ˌæmpɪˈsɪlɪn/
[uncountable]- a form of penicillin that is used to treat certain infectionsWord Origin1960s: blend of amino and a contraction of penicillin.
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ampicillin
Definition of ampicillin noun from the Oxford Advanced Learner's Dictionary