siltstone

noun
silt·​stone | \ ˈsilt-ˌstōn How to pronounce siltstone (audio) \

Definition of siltstone

: a rock composed chiefly of silt hardened by heat, pressure, or cementation

Examples of siltstone in a Sentence

Recent Examples on the Web The reddish-brown siltstone, orange sandstone, and green clay stone are eroded into intricate swirls, icicles, cones, and rounded rec rooms. John Phillips, Car and Driver, "Tested: 1995 Land Rover Defender 90 Goes Nowhere, Man," 24 Mar. 2020

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

First Known Use of siltstone

circa 1920, in the meaning defined above

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The first known use of siltstone was circa 1920

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Cite this Entry

“Siltstone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/siltstone. Accessed 18 Jan. 2021.

More from Merriam-Webster on siltstone

Britannica.com: Encyclopedia article about siltstone

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