regolith

American  

[reg-uh-lith] / ˈrɛg ə lɪθ /

noun

1. mantle rock.

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regolith British  

/ ˈrɛɡəlɪθ /

noun

1. the layer of loose material covering the bedrock of the earth and moon, etc, comprising soil, sand, rock fragments, volcanic ash, glacial drift, etc

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regolith Scientific  

/ rĕg′ə-lĭth′ /

1. 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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Etymology

Origin of regolith

1895–1900; < Greek rhêgo ( s ) rug, blanket + -lith

Example Sentences

In return, Sporosarcina secretes natural polymers that support mineral formation and help bind regolith.

From Science Daily

The long term vision is to combine this bacterial co culture with Martian regolith and use it as feedstock for 3D printing on Mars.

From Science Daily

From an astrobiology standpoint, a major task is understanding how these microbial communities behave in Martian regolith and how they endure the planet's many stresses.

From Science Daily

Regolith simulants in laboratories provide a practical way to test co cultures in Mars like conditions and to build models that predict how well biocementation will perform.

From Science Daily

Analyses of these samples show that the moon's surface layer, known as regolith, contains volatile substances such as water, carbon dioxide, helium, argon, and nitrogen.

From Science Daily