| Answer | Crossword Clue |
|---|---|
| SOLIDS | Three-dimensional objects |
| stereovision | the perception or exhibition of three-dimensional objects in three dimensions |
| stereovisions | STEREOVISION, the perception or exhibition of three-dimensional objects in three dimensions |
| stereology | the study of three-dimensional properties of objects usually observed two-dimensionally |
| stereologies | STEREOLOGY, the study of three-dimensional properties of objects usually observed two-dimensionally |
| spaces | An empty area left between one-, two-, or three-dimensional points or objects |
