sedimentary

adjective

sed·​i·​men·​ta·​ry ˌse-də-ˈmen-tə-rē How to pronounce sedimentary (audio)
-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
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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 So Intriguing Zhurong has conducted some of its sleuthing into Utopia Planitia’s watery past with high-resolution cameras, which captured images of rocks that have the layered, pebbly look of sedimentary objects. Jeffrey Kluger, TIME, 25 Feb. 2025 See All Example Sentences for sedimentary

Word History

First Known Use

1830, in the meaning defined at sense 1

Time Traveler
The first known use of sedimentary was in 1830

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Cite this Entry

“Sedimentary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sedimentary. Accessed 4 Apr. 2025.

Kids Definition

sedimentary

adjective
sed·​i·​men·​ta·​ry ˌsed-ə-ˈment-ə-rē How to pronounce sedimentary (audio)
-ˈmen-trē
1
: of, relating to, or containing sediment
2
: formed by or from sediment
sedimentary rock
compare igneous, metamorphic

More from Merriam-Webster on sedimentary

Last Updated: - Updated example sentences
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