schist

[ shist ]
/ ʃɪst /

noun

any of a class of crystalline metamorphic rocks whose constituent mineral grains have a more or less parallel or foliated arrangement.

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Origin of schist

1775–85; < New Latin schistus, Latin (lapis) schistos < Greek schistós divided, curdled, divisible, derivative of schízein to split, with -tos adj. suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for schist

British Dictionary definitions for schist

schist
/ (ʃɪst) /

noun

any metamorphic rock that can be split into thin layers because its micaceous minerals have become aligned in thin parallel bands

Derived forms of schist

schistose, adjectiveschistosity (ʃɪˈstɒsɪtɪ), noun

Word Origin for schist

C18: from French schiste, from Latin lapis schistos stone that may be split, from Greek skhizein to split
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for schist

schist
[ shĭst ]

A highly foliated, medium-grained metamorphic rock that splits easily into flakes or slabs along well-defined planes of mica. The mineral composition of schist is varied and is often reflected in the name given to the rock. For example, a schist that contains garnet is called a garnet schist. A schist containing chlorite is called a chlorite schist.

Other words from schist

schistose adjective (shĭstōs′)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.