Usage History of 'photometers'

The following chart shows how frequently 'photometers' appeared in printed materials over time. For example, the word 'photometers' occurred 4 times in books in 1802 and 1,225 times in 2008. From 1802 to 2008, the word 'photometers' was used a total of 80,316 times in books scanned by Google. See Reference: Google Ngram project.

See also:

Find all anagrams of 'photometers'
Words starting with a,b,c...
Words ending with a,b,c...
Words starting & ending with a,b,c....