shist

/ʃɪst/
noun
  1. A type of metamorphic rock that splits easily into thin layers, often containing mica.
    • The old building was constructed from local shist.
    • The trail was lined with shiny shist rocks.
    • Geologists found shist in the mountain range.
What does "shist" mean? | whatsthatwordmean | whatsthatwordmean