sed·​i·​men·​ta·​ry | \ ˌse-də-ˈmen-tə-rē How to pronounce sedimentary (audio) , -ˈmen-trē \

Definition of sedimentary

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 Running water has scoured channels, chiseled cliffs and leached precious minerals from the volcanic and sedimentary rocks, thus attracting miners and ranchers to this otherwise desolate land 30 miles west of Phoenix. Mare Czinar, azcentral, "Don't be put off by the unimpressive beginning. This AZ hike leads to dramatic red rocks," 19 Dec. 2019 The last Brazilian dinosaur discovered from the Herrerasauridae group, Staurikosaurus pricei, was a small and agile carnivorous species found in the same sedimentary rock formation in 1936. Jill Langlois, National Geographic, "Early meat-eating dinosaur revealed via spectacular fossil," 3 Dec. 2019 While most of the continent is underwater, much of the land mass's sedimentary pieces were scraped off during its great migration. Li Cohen, CBS News, "Researchers discover hidden continent Greater Adria in the Mediterranean," 24 Sep. 2019 Wright adds to the sedimentary layers of description already settling on old places, rather than breaking fresh imaginative ground. Dan Chiasson, The New Yorker, "The Many Voices of Charles Wright," 4 Nov. 2019 The new results come from the upper Murray formation, which has outcroppings on which mission scientists can actually see sedimentary layers. John Wenz, Popular Mechanics, "We Now Have a Good Idea When Martian Oceans Started Dying," 7 Oct. 2019 Faith indeed looms large over the Permian Basin, a sedimentary basin rich with black gold that gave rise to the Texas oil legend as well as the Bush family dynasty. Marco Della Cava, USA TODAY, "Odessa and neighboring Midland vow to heal in face of a day filled with 'the best and worst of humanity'," 1 Sep. 2019 Clearing land and removing the volcanic or sedimentary rocks just to plant the vineyard is harder. Fortune, "Napa Mountain Wines Have Just as Much to Offer as Napa Valley Bottles," 8 Sep. 2019 Only the most serious climbers would consider ascending its east face, a sheer 3,000-foot wall of sedimentary rock marbled with an intricate network of snow and ice. Nick Heil, Outside Online, "The Tragedy on Howse Peak," 28 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sedimentary.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sedimentary

1830, in the meaning defined at sense 1

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Time Traveler for sedimentary

Time Traveler

The first known use of sedimentary was in 1830

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Statistics for sedimentary

Last Updated

29 Dec 2019

Cite this Entry

“Sedimentary.” The Dictionary, Merriam-Webster Inc., Accessed 25 January 2020.

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How to pronounce sedimentary (audio)

English Language Learners Definition of sedimentary

technical : made from material that sinks to the bottom of a liquid : made from sediment


sed·​i·​men·​ta·​ry | \ ˌse-də-ˈmen-tə-rē How to pronounce sedimentary (audio) \

Kids Definition of sedimentary

: relating to or formed from sediment Sandstone is a sedimentary rock.

More from Merriam-Webster on sedimentary

Rhyming Dictionary: Words that rhyme with sedimentary

Nglish: Translation of sedimentary for Spanish Speakers

Comments on sedimentary

What made you want to look up sedimentary? Please tell us where you read or heard it (including the quote, if possible).


dull or mediocre

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