schist

/ʃɪst/
noun
  1. A type of metamorphic rock that splits easily into thin, flat layers, often containing shiny minerals like mica.
    • Geologists found a large deposit of schist in the mountain range.
    • The hiking trail was covered with fragments of schist that glittered in the sunlight.
    • The old building's foundation was made of local schist, giving it a layered, rustic look.
What does "schist" mean? | whatsthatwordmean | whatsthatwordmean