Usage History of 'pentene'

The following chart shows how frequently 'pentene' appeared in printed materials over time. For example, the word 'pentene' occurred 2 times in books in 1873 and 934 times in 2008. From 1873 to 2008, the word 'pentene' was used a total of 53,276 times in books scanned by Google. See Reference: Google Ngram project.

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