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regolith

/ˈriːɡəlɪθ/ noun · British & US
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What does regolith mean?

noun

A layer of loose, fragmented rock debris covering a planetary surface, such as the Moon or Mars. It is formed by meteorite impacts, volcanic activity, and other geological processes.

Example

"The regolith on the lunar surface is a result of millions of years of meteorite impacts."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

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