Usage History of 'diolefin'

The following chart shows how frequently 'diolefin' appeared in printed materials over time. For example, the word 'diolefin' occurred 4 times in books in 1916 and 70 times in 2008. From 1916 to 2008, the word 'diolefin' was used a total of 7,460 times in books scanned by Google. See Reference: Google Ngram project.

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