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
And even though the melt may expose some incredibly interesting sedimentary rock that perhaps might contain evidence of some of the earliest life on Earth, when the sheet melts, the resulting 7.4-meter rise in global sea level is expected to flood many tens of millions of homes worldwide.
—
Bruce Dorminey, Forbes, 25 Feb. 2025
The site's paleontological importance is underscored by the presence of fossils found in the sedimentary layers, including ammonites, marine reptiles and microorganisms, all of which provide critical insight into life before and after the extinction event.
—Jonathan Granoff, Newsweek, 29 Jan. 2025
This site, which falls part of a rich sedimentary layer from the Early Cretaceous period, has long been a hotspot for dinosaur fossils.
—Scott Travers, Forbes, 7 Jan. 2025
The government analysis notes that block-cave mining would break through a layer of sedimentary rock called the Whitetail Conglomerate that isolates a surface aquifer called the Apache Leap Tuff Aquifer from deeper groundwater.
—Brandon Loomis, The Arizona Republic, 19 Dec. 2024
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Bruce Dorminey, Forbes, 25 Feb. 2025
The site's paleontological importance is underscored by the presence of fossils found in the sedimentary layers, including ammonites, marine reptiles and microorganisms, all of which provide critical insight into life before and after the extinction event.
—Jonathan Granoff, Newsweek, 29 Jan. 2025
This site, which falls part of a rich sedimentary layer from the Early Cretaceous period, has long been a hotspot for dinosaur fossils.
—Scott Travers, Forbes, 7 Jan. 2025
The government analysis notes that block-cave mining would break through a layer of sedimentary rock called the Whitetail Conglomerate that isolates a surface aquifer called the Apache Leap Tuff Aquifer from deeper groundwater.
—Brandon Loomis, The Arizona Republic, 19 Dec. 2024
See All Example Sentences for sedimentary
Cite this Entry
“Sedimentary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sedimentary. Accessed 12 Mar. 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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