Definition of schist noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ʃɪst//
; NAmE NAmE//ʃɪst//
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a type of rock formed of layers of different minerals, that breaks naturally into thin flat pieces Word Originlate 18th cent.: from French schiste, via Latin from Greek skhistos ‘split’, from the base of skhizein ‘cleave’.
See the Oxford Advanced American Dictionary entry: schist