| Answer | Crossword Clue |
|---|---|
| TESSERACT | Four-dimensional analogue of a cube |
| hypersurface | a figure that is the analogue in hyperspace of a surface in three-dimensional space |
| hypersurfaces | HYPERSURFACE, a figure that is the analogue in hyperspace of a surface in three-dimensional space |
| SPACE | Part of a four-dimensional continuum. |
| spinors | a vector whose components are complex numbers in a two-dimensional or four-dimensional space and which is used especially in the mathematics of the theory of relativity |
| flashcube | A set of four flashbulbs arranged in a cube and operated in turn |
| flashcubes | A set of four flashbulbs arranged in a cube and operated in turn |
