Usage History of 'porous'

The following chart shows how frequently 'porous' appeared in printed materials over time. For example, the word 'porous' occurred 4 times in books in 1651 and 152,837 times in 2008. From 1651 to 2008, the word 'porous' was used a total of 4,110,114 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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