Definition of regolith in English:


Syllabification: reg·o·lith
Pronunciation: /ˈreɡəˌliTH


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.

Definition of regolith in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day noisome
Pronunciation: ˈnoisəm
having an extremely offensive smell