filtration filtrate • fimble · · · Info · Definitions · Characters · · filtration · · Text Latin · · Script 10 · · Length Definitions · · · (noun) the process whereby fluids pass through a filter or a filtering medium. · · Noun Definition 1 (noun) the act of changing a fluid by passing it through a filter. · · Noun Definition 2 Characters · · a latin small letter a U+0061 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074