sedimentary
adjective
sed·i·men·ta·ry
ˌse-də-ˈmen-tə-rē 
-ˈmen-trē
1
: of, relating to, or containing sediment
sedimentary deposits
2
: formed by or from deposits of sediment
sedimentary rock
Examples of sedimentary in a Sentence
Recent Examples on the Web
Scientists analyzing the image said the area's distinctive reddish hue signals vast oxidation of sedimentary layers caused by extreme climate swings during the Triassic Period, when North America was still part of the supercontinent Pangaea.
—
Thomas G. Moukawsher, MSNBC Newsweek, 17 Apr. 2025
Previously, experts learned the ancient Martian atmosphere was rich in carbon dioxide (CO2), but lacked enough evidence of sedimentary carbonate materials.
—Andrew Paul, Popular Science, 17 Apr. 2025
Exposed to the relentless forces of coastal erosion, this nearly intact skull emerged from ancient sedimentary layers.
—Scott Travers, Forbes, 3 Mar. 2025
Here, any sedimentary layers that settle to the bed of the brine pool remain exquisitely intact.
—Christina Shaw, Fox News, 21 Feb. 2025
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Thomas G. Moukawsher, MSNBC Newsweek, 17 Apr. 2025
Previously, experts learned the ancient Martian atmosphere was rich in carbon dioxide (CO2), but lacked enough evidence of sedimentary carbonate materials.
—Andrew Paul, Popular Science, 17 Apr. 2025
Exposed to the relentless forces of coastal erosion, this nearly intact skull emerged from ancient sedimentary layers.
—Scott Travers, Forbes, 3 Mar. 2025
Here, any sedimentary layers that settle to the bed of the brine pool remain exquisitely intact.
—Christina Shaw, Fox News, 21 Feb. 2025
See All Example Sentences for sedimentary
Cite this Entry
“Sedimentary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sedimentary. Accessed 29 Apr. 2025.
Copy CitationKids Definition
sedimentary
adjective
sed·i·men·ta·ry
ˌsed-ə-ˈment-ə-rē
-ˈmen-trē
1
: of, relating to, or containing sediment
2
: formed by or from sediment
sedimentary rock
compare igneous, metamorphic
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