Usage History of 'ventilators'

The following chart shows how frequently 'ventilators' appeared in printed materials over time. For example, the word 'ventilators' occurred 878 times in books in 1743 and 17,490 times in 2008. From 1743 to 2008, the word 'ventilators' was used a total of 414,041 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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