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

 

schist

 noun
noun
BrE BrE//ʃɪst//
 
; NAmE NAmE//ʃɪst//
 
[uncountable]
 
jump to other results
a type of rock formed of layers of different minerals, that breaks naturally into thin flat pieces Word Origin late 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