Usage History of 'exploration'

The following chart shows how frequently 'exploration' appeared in printed materials over time. For example, the word 'exploration' occurred 2 times in books in 1507 and 515,850 times in 2008. From 1507 to 2008, the word 'exploration' was used a total of 13,793,735 times in books scanned by Google. See Reference: Google Ngram project.

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