| Answer | Crossword Clue |
|---|---|
| plenums | PLENUM, space considered as fully occupied by matter |
| plena | PLENUM, space considered as fully occupied by matter |
| plenum | space considered as fully occupied by matter |
| plenism | the doctrine that space is fully occupied by matter |
| plenisms | PLENISM, the doctrine that space is fully occupied by matter |
| plenist | an advocate of plenism (the doctrine that space is fully occupied by matter) |
| plenists | PLENIST, an advocate of plenism (the doctrine that space is fully occupied by matter) |
