Usage History of 'octothorp'

The following chart shows how frequently 'octothorp' appeared in printed materials over time. For example, the word 'octothorp' occurred 1 time in books in 1978 and 27 times in 2008. From 1978 to 2008, the word 'octothorp' was used a total of 427 times in books scanned by Google. See Reference: Google Ngram project.

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