Usage History of 'intron'

The following chart shows how frequently 'intron' appeared in printed materials over time. For example, the word 'intron' occurred 2 times in books in 1684 and 23,672 times in 2008. From 1684 to 2008, the word 'intron' was used a total of 375,916 times in books scanned by Google. See Reference: Google Ngram project.

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