Regolith definition
The layer of loose rock resting on bedrock, constituting the surface of most land.
noun
The loose, unconsolidated material, residual or transported, that rests on the bedrock; mantle rock.
noun
The layer of rock and mineral fragments that rests on bedrock and is produced by the weathering of rocks. Regolith constitutes the surface of most land.
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Other Word Forms
Noun
Singular:
regolith
Plural:
regolithsOrigin of regolith
- Greek rhēgos blanket –lith
From American Heritage Dictionary of the English Language, 5th Edition
- Irregular formation from Ancient Greek ῥῆγος (rhÄ“gos, “rug, blanket") + -lith (from λίθος (lithos, “stone")).
From Wiktionary