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schist

noun

: a metamorphic crystalline rock that has a closely foliated structure and can be split along approximately parallel planes

Example Sentences

Recent Examples on the Web The penitentiary was built of brick and Wissahickon schist, a grayish black local stone. Cantor Glenn Sherman, Sun Sentinel, 29 July 2022 The other night, Senator Feinstein basically had to be carried up the schist steps to the Basin. Robert Carlock, The New Yorker, 18 July 2022 The schist and granite at the bottom of the canyon are almost two billion years old, with younger and younger layers of sandstone, shale and limestone stacked on top in horizontal bands. New York Times, 12 May 2022 At higher altitudes and grown with care, the Douro’s schist soils can produce taut, focused whites that seem to express the spirit of rock itself. Washington Post, 17 Mar. 2022 Black Canyon is a park of extremes, both fertile springtime folly and menacing gash of gneiss and schist. Emily Pennington, Outside Online, 28 Aug. 2020 Western South Dakota has some of the finest hunks of sandstone, mica schist, granite, and phonolite porphyry in the American West. The Editors, Outside Online, 18 Aug. 2020 It’s a metamorphic rock called schist, compressed by mountains thought to have once been as tall as the Himalayas. Washington Post, 14 Oct. 2021 One is made from grapes grown on granite soil, the other from grapes grown on schist. Washington Post, 28 May 2021 See More

Word History

Etymology

borrowed from French schiste (Middle French pierre schiste, with pierre "stone"), borrowed from Latin schistos (in Pliny's Naturalis historia) "a kind of iron ore, perhaps limonite," shortened from lapis schistos, literally, "fissile stone," from lapis "stone" + schistos "easily split, fissile," borrowed from Greek schistós "split, divided," verbal adjective of schízein "to split, separate" — more at shed entry 1

First Known Use

circa 1782, in the meaning defined above

Time Traveler
The first known use of schist was circa 1782

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