[schist] n [F schiste, fr. L schistos (lapis), lit., fissile stone, fr. Gk schistos that may be split, fr. schizein] (ca. 1782): a metamorphic crystalline rock that has a closely foliated structure and can be split along approximately parallel planes
SCHIST
Meaning of SCHIST in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012