Usage History of 'heterogeny'

The following chart shows how frequently 'heterogeny' appeared in printed materials over time. For example, the word 'heterogeny' occurred 2 times in books in 1822 and 222 times in 2008. From 1822 to 2008, the word 'heterogeny' was used a total of 6,137 times in books scanned by Google. See Reference: Google Ngram project.

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