Usage History of 'amplifier'

The following chart shows how frequently 'amplifier' appeared in printed materials over time. For example, the word 'amplifier' occurred 2 times in books in 1641 and 151,045 times in 2008. From 1641 to 2008, the word 'amplifier' was used a total of 5,774,359 times in books scanned by Google. See Reference: Google Ngram project.

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