Technology term
Regolith
The loose layer of dust, broken rock, and soil covering the solid bedrock of a planet, moon, or asteroid. On the Moon, regolith was formed by billions of years of meteorite impacts and can trap ice in permanently shadowed, extremely cold regions near the poles.
English
Regolith
Arabic
الريغوليث (Regolith)
First appeared in
Scientists Say They Can "Listen" for Water Ice Buried Under the Moon