Usage History of 'mm'

The following chart shows how frequently 'mm' appeared in printed materials over time. For example, the word 'mm' occurred 9 times in books in 1505 and 1,206,349 times in 2008. From 1505 to 2008, the word 'mm' was used a total of 43,441,105 times in books scanned by Google. See Reference: Google Ngram project.

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Words starting & ending with a,b,c....