| Answer | Crossword Clue |
|---|---|
| impenetrability | the inability of two portions of matter to occupy the same space at the same time |
| Answer | Crossword Clue |
|---|---|
| impenetrability | the inability of two portions of matter to occupy the same space at the same time |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.