penicillin - WordReference.com Dictionary of English

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penicillin

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Concise Oxford English Dictionary © 2008 Oxford University Press:
penicillin/penɪˈsɪlɪn/

▶noun an antibiotic produced naturally by certain blue moulds, now usually prepared synthetically.

– origin 1920s: from the mod. L. genus name Penicillium (from L. penicillum ‘paintbrush’) + -in1.

'penicillin' also found in these Oxford entries:

amoxicillin - ampicillin - cephalosporin - methicillin

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