Usage History of 'penicillin'

The following chart shows how frequently 'penicillin' appeared in printed materials over time. For example, the word 'penicillin' occurred 1 time in books in 1701 and 61,540 times in 2008. From 1701 to 2008, the word 'penicillin' was used a total of 3,115,732 times in books scanned by Google. See Reference: Google Ngram project.

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