Share this entry
regolith Syllabification: reg·o·lith
Pronunciation: /ˈreɡəˌliTH/

Definition of regolith in English:


The layer of unconsolidated rocky material covering bedrock.
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:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources