Related by context. Frequent words. (Click for all words.) 64 impermeable 58 porous 57 permeability 51 conductive 50 membrane 49 absorbent 48 hydrophobic 47 membranes 47 breathable 47 adsorbed 46 soluble 46 porosity 46 hydrophilic 45 sedimentary 45 erosive 45 fibrous 44 polymeric 44 electrically conductive 44 monolayer 44 oxidized 44 acidic 44 oxygenated 44 adsorption 44 conductivity 43 Porous 43 calcite 43 compacted 43 vegetated 43 biocompatible 43 oxidised 43 brecciated 42 hydrogel 42 ductile 42 seep 42 dense 42 oxidizing 42 water soluble 42 sedimentary rock 41 aqueous 41 pigmented 41 denser 41 pliable 41 elastomeric 41 alkaline 41 mutable 41 insoluble 41 pores 41 impervious 41 substrate 41 overlying 41 silicates 41 silica 40 polymer 40 silty 40 Thicker 40 resistivity 40 waterproofing 40 perforated 40 thicker 40 thermal conductivity 40 percolation 40 dielectrics 40 silicified 40 translucent 40 corrosive 39 seeps 39 insulating layer 39 conductance 39 resistant 39 felsic 39 stretchable 39 coating 39 flammable 39 clay soils 39 irregularly shaped 39 thickening 39 elastic 39 viscous 39 honeycombed 39 ferromagnetic 39 thin layer 39 absorbable 38 thick layer 38 insulating 38 microstructures 38 stain resistant 38 homogeneous 38 zeolite 38 mafic 38 sulfides 38 permeation 38 susceptible 38 alveolar 38 microscale 38 silicate 38 thickness 38 flexible 38 nanostructured 38 semiconducting 37 spongy 37 dielectric