rayless
/ˈreɪləs/
adjective
- Having no rays of light; dark or without brightness.
- On a rayless night, the stars are hidden behind thick clouds.
- The old photograph showed a rayless sky, heavy with rain.
- The cave was rayless, so we had to use flashlights to see.
- Lacking any beam or line of energy, such as heat or radiation.
- The scientist described the area as rayless, with no detectable radiation.
- In the rayless chamber, the equipment measured only background noise.
- The rayless zone of the desert receives almost no solar energy.