regolith
noun
reg·o·lith
ˈre-gə-ˌlith 
: unconsolidated residual or transported material that overlies the solid rock on the earth, moon, or a planet
Examples of regolith in a Sentence
Recent Examples on the Web
Melting the regolith is the hardest part, without question.
—
Matthew Hutson, The New Yorker, 24 Sep. 2024
Volcanic magma can certainly provide sufficient heat to melt the lunar regolith, so glass can be a telltale sign of volcanism.
—Tom Hawking, Popular Science, 5 Sep. 2024
So these gaps would need to be sealed using smaller stones, regolith or other materials.
—Michael Franco, New Atlas, 6 Aug. 2024
Here's What to Know In the Moon’s polar regions, where some areas remain in permanent shadow, solar storms can cause the soil, or regolith, to become electrically charged.
—Max Bennett, Discover Magazine, 23 July 2024
See all Example Sentences for regolith 
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Matthew Hutson, The New Yorker, 24 Sep. 2024
Volcanic magma can certainly provide sufficient heat to melt the lunar regolith, so glass can be a telltale sign of volcanism.
—Tom Hawking, Popular Science, 5 Sep. 2024
So these gaps would need to be sealed using smaller stones, regolith or other materials.
—Michael Franco, New Atlas, 6 Aug. 2024
Here's What to Know In the Moon’s polar regions, where some areas remain in permanent shadow, solar storms can cause the soil, or regolith, to become electrically charged.
—Max Bennett, Discover Magazine, 23 July 2024
See all Example Sentences for regolith
Articles Related to regolith
Dictionary Entries Near regolith
Cite this Entry
“Regolith.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/regolith. Accessed 19 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share