Definition of regolith in English:


Syllabification: reg·o·lith
Pronunciation: /ˈregəˌliTH


  • The layer of unconsolidated rocky material covering bedrock.
    More example sentences
    • The surface of the Moon is covered by a soil layer called regolith, which has been produced by meteorite impact.
    • Alteration of the bedrock produces a regolith, the base of which is known as the weathering front.
    • The Moon's crust is composed of a material known as regolith.


late 19th century: from Greek rhēgos 'rug, blanket' + -lith.

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a small amount; a little