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.
Each page contains about 34 lines, with an average word count of 11 words per line, thus 375 words per page. Excluding endnotes and index, the book has about 200 pages of text, which means its total word count is about 74,000 words.