Usage History of 'karyogamy'

The following chart shows how frequently 'karyogamy' appeared in printed materials over time. For example, the word 'karyogamy' occurred 13 times in books in 1894 and 167 times in 2008. From 1894 to 2008, the word 'karyogamy' was used a total of 20,443 times in books scanned by Google. See Reference: Google Ngram project.

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