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
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Just a few months ago, Perseverance itself even spied popcorn-like textures in sedimentary rocks in the Jezero crater.
—
Eric Lagatta, USA Today, 1 Apr. 2025
Read More: Evidence of Ancient Beaches Shows Us a Mars With Large, Ice-Free Oceans
Molecules Resemble Organic Matter on Earth
In previous studies, Curiosity identified organic molecules in sedimentary rocks within Gale Crater, with structures containing up to six carbon atoms.
—Discover Magazine, 26 Mar. 2025
Watching the event today feels like tuning into Turner Classic Movies– or cracking open a sedimentary rock.
—Daniel Libit, Sportico.com, 13 Mar. 2025
It is filled with sedimentary rocks containing coal, oil and natural gas.
—Scott L. Montgomery, The Conversation, 11 Mar. 2025
See All Example Sentences for sedimentary
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Eric Lagatta, USA Today, 1 Apr. 2025
Read More: Evidence of Ancient Beaches Shows Us a Mars With Large, Ice-Free Oceans
Molecules Resemble Organic Matter on Earth
In previous studies, Curiosity identified organic molecules in sedimentary rocks within Gale Crater, with structures containing up to six carbon atoms.
—Discover Magazine, 26 Mar. 2025
Watching the event today feels like tuning into Turner Classic Movies– or cracking open a sedimentary rock.
—Daniel Libit, Sportico.com, 13 Mar. 2025
It is filled with sedimentary rocks containing coal, oil and natural gas.
—Scott L. Montgomery, The Conversation, 11 Mar. 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 25 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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