| Answer | Crossword Clue |
|---|---|
| POROUS | Water-permeable |
| porous | permeable by water, air, etc. |
| poromeric | permeable to water vapour / a poromeric substance |
| aquifer | a water-bearing stratum of permeable rock, sand, or gravel |
| crystalloid | a water-soluble crystal able to diffuse through semi-permeable membranes |
| porosity | the state or quality of being permeable, as by water or air |
| crystalloids | CRYSTALLOID, a water-soluble crystal able to diffuse through semi-permeable membranes |
