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.
A standard entry in a devotional book is no longer than 500 words. Keeping the entry short will keep your writing concise and poignant. Short writings are also easier for readers to pay attention to. If you tend to get carried away as you write, aim for writing something between 250 and 350 words.