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
The rover’s science instruments found that the formation’s sedimentary rocks are composed of clay and silt, which, on Earth, are excellent preservers of past microbial life.
—
Eric Lagatta, USA Today, 11 Sep. 2025
Take time to explore the relationship between the linear marks and the monochromatic fields of color, how the lines evoke the horizon line or layers of sedimentary rock.
—Natasha Gural, Forbes.com, 8 Sep. 2025
Scientists think that in some rocks seen on Mars, these spherules form when groundwater passed through pores in sedimentary rocks.
—Daisy Dobrijevic, Space.com, 13 Aug. 2025
In the sprawling dunes of the Badlands in South Dakota, where layers of sedimentary rock have been shaped by millions of years of erosion, a hiker came upon a discovery that stopped them in their tracks.
—Mike Stunson, Kansas City Star, 5 Aug. 2025
See All Example Sentences for sedimentary
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Eric Lagatta, USA Today, 11 Sep. 2025
Take time to explore the relationship between the linear marks and the monochromatic fields of color, how the lines evoke the horizon line or layers of sedimentary rock.
—Natasha Gural, Forbes.com, 8 Sep. 2025
Scientists think that in some rocks seen on Mars, these spherules form when groundwater passed through pores in sedimentary rocks.
—Daisy Dobrijevic, Space.com, 13 Aug. 2025
In the sprawling dunes of the Badlands in South Dakota, where layers of sedimentary rock have been shaped by millions of years of erosion, a hiker came upon a discovery that stopped them in their tracks.
—Mike Stunson, Kansas City Star, 5 Aug. 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 13 Sep. 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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