Usage History of 'collimate'

The following chart shows how frequently 'collimate' appeared in printed materials over time. For example, the word 'collimate' occurred 6 times in books in 1856 and 578 times in 2008. From 1856 to 2008, the word 'collimate' was used a total of 19,964 times in books scanned by Google. See Reference: Google Ngram project.

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