| Answer | Crossword Clue |
|---|---|
| LUMINAL | Pertaining to a unit of light. |
| PSYCHOSOMATIC | Pertaining to mind and body, as a unit. |
| PHOTIC | Pertaining to light |
| PHOTIC | Pertaining to light. |
| LUMINAL | Pertaining to light intensity. |
| SPECTROSCOPICAL | Pertaining to an instrument used to disperse light beams. |
