Usage History of 'conical'

The following chart shows how frequently 'conical' appeared in printed materials over time. For example, the word 'conical' occurred 2 times in books in 1645 and 88,785 times in 2008. From 1645 to 2008, the word 'conical' was used a total of 3,135,780 times in books scanned by Google. See Reference: Google Ngram project.

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