Meanings
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noun
a coarse-grained metamorphic rock whose aligned platy minerals allow it to split into thin layers
The road cutting exposed bands of mica-rich schist beneath the younger sediment.
Thesaurus
Etymology
Borrowed from French schiste, from Latin schistos lapis, 'split stone,' and ultimately Greek skhistos, 'splittable,' from skhizein, 'to split.' The name refers to the rock's pronounced tendency to cleave along mineral layers.