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pen·i·cil·lin
 penicillin
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- pronunciation:
- pe
n
sI
ln
- features:
- Word Explorer
| part of speech: |
noun |
| definition: |
Penicillin is a kind of medicine often used for treating infections that are caused by bacteria.
Before the discovery of penicillin there was no treatment for many serious diseases.The penicillin cured the child's ear infection very quickly. |
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