marl·​stone | \ ˈmär(-ə)l-ˌstōn How to pronounce marlstone (audio) \

Definition of marlstone

: a rock that consists of a mixture of clay materials and calcium carbonate and often contains kerogen

Examples of marlstone in a Sentence

Recent Examples on the Web The truck is used to haul lime and marlstone, which contains clay and silt, from the sides of mountains in Switzerland. Courtney Linder, Popular Mechanics, "The World's Largest Electric Vehicle Is a Dump Truck," 21 Aug. 2019

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

First Known Use of marlstone

1756, in the meaning defined above

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The first known use of marlstone was in 1756

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Cite this Entry

“Marlstone.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2020.

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