The noun FILTRATION has 2 senses: 1. the process whereby fluids pass through a filter or a filtering medium. 2. the act of changing a fluid by passing it through a filter. Familiarity information: FILTRATION used as a noun is rare.
A sentence averages eleven words; an A4 / letter size sheet averages 32 to 35 sentences. A normal size sheet of paper with a standard layout, based on 80% - 90% coverage contains about 350 to 400 words.
For example, if we had an average 5th grader reading Bud, Not Buddy then this is how we might figure out how many pages of text, at a silent rate of 150 wpm, the child would read in a period of 30 minutes. 150 wpm X 30 minutes = 4500 total words. 4500 total words/200 words per page = 23 pages.