Definition of regolith in English:

regolith

Line breaks: rego|lith
Pronunciation: /ˈrɛgəlɪθ
 
/

noun

[mass noun] Geology
  • The layer of unconsolidated solid material covering the bedrock of a planet.
    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.

Origin

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

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Pronunciation: grəʊˈtɛskəri
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grotesque quality or grotesque things collectively