schist

(shĭst)

Any of various medium-grained to coarse-grained metamorphic rocks composed of laminated, often flaky parallel layers of chiefly micaceous minerals.

[French schiste, from Latin (lapis) schistos, fissile (stone), a kind of iron ore, from Greek skhistos, split, divisible, from skhizein, to split; see skei- in Indo-European roots.]

schis′tose′ (shĭs′tōs′), schis′tous (-təs) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

schistous

(ˈʃɪstəs)

adj

1. (Geological Science) another word for schistose

2. another word for schistose

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

References in periodicals archive

Common rigid treatment structures include a self-weight retaining wall, antislide piles, or a schistous slope wall.

Surficial Failure of Expansive Soil Cutting Slope and Its Flexible Support Treatment Technology

The best wines of Morgon come from schistous or slate soils, rather than granite, such as the Cote de Py.

Drop nouveau from the Beaujolais cru.. It's time to take another look at Beaujolais says Clive Platman

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