Usage History of 'identifier'

The following chart shows how frequently 'identifier' appeared in printed materials over time. For example, the word 'identifier' occurred 1 time in books in 1797 and 98,640 times in 2008. From 1797 to 2008, the word 'identifier' was used a total of 1,958,513 times in books scanned by Google. See Reference: Google Ngram project.

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