schist Meaning, Definition & Usage
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noun any metamorphic rock that can be split into thin layers
WordNet
Schist noun
Etymology
Gr. divided, divisible, fr. to divide: cf. F.Definitions
(Geol.) Any crystalline rock having a foliated structure (see Foliation ) and hence admitting of ready division into slabs or slates. The common kinds are mica schist, and hornblendic schist, consisting chiefly of quartz with mica or hornblende and often feldspar.