permeableness permeable • permeably · · · Info · Definitions · Synonyms · Characters · · permeableness · · Text Latin · · Script 13 · · Length Definitions · · · (noun) the property of something that can be pervaded by a liquid (as by osmosis or diffusion). Synonyms: permeability. · · Noun Definition 1 Synonyms · · · permeability · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073