Usage History of 'biodegrade'

The following chart shows how frequently 'biodegrade' appeared in printed materials over time. For example, the word 'biodegrade' occurred 2 times in books in 1951 and 1,192 times in 2008. From 1951 to 2008, the word 'biodegrade' was used a total of 20,010 times in books scanned by Google. See Reference: Google Ngram project.

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