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n. The layer of loose rock resting on bedrock, constituting the surface of most land. Also called mantle rock.

n. The layer of loose rock, dust, sand, and soil, resting on the bedrock, that constitutes the surface layer of most dry land on earth, the moon, and other large solid aggregated celestial objects. There can also be sub-marine regolith.)

n. ‘Blanket-rock’: in petrography, a term applied by Merrill (1897) to the covering of loose material resting upon the solid rocks of the globe. It is derived from the decay of rocks, accumulations of vegetation, talus, debris, and sediments of all kinds.

"Over this weekend, NASA just held a competition in California with $750,000 in prizes for anyone in America who could move the most "regolith" --- or moon dirt --- with a robot."

ionosphere    hydrogel    cosmonik    orography    asterism