| Answer | Crossword Clue |
|---|---|
| PERVIOUS | Penetrable |
| POROSITY | Penetrable quality of skin |
| radiolucent | penetrable by X-rays |
| gastight | not penetrable by a gas |
| penetrability | the state of being penetrable |
| penetrableness | PENETRABLE, that can be penetrated |
| penetrably | PENETRABLE, that can be penetrated |
| penetrabilities | PENETRABILITY, the state of being penetrable |
