Usage History of 'lyophilising'

The following chart shows how frequently 'lyophilising' appeared in printed materials over time. For example, the word 'lyophilising' occurred 2 times in books in 1948 and 3 times in 2007. From 1948 to 2007, the word 'lyophilising' was used a total of 50 times in books scanned by Google. See Reference: Google Ngram project.

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