Definition of schist

< schismatic

schistocyte >

schist    (shst) KEY 

NOUN:

Any of various medium-grained to coarse-grained metamorphic rocks composed of laminated, often flaky parallel layers of chiefly micaceous minerals.

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ETYMOLOGY:
French schiste, from Latin (lapis) schistos, fissile (stone), a kind of iron ore, from Greek skhistos, split, divisible, from skhizein, to split; see skei- in Indo-European roots

OTHER FORMS:
schistose  (shsts) KEY  or schistous  (-ts) KEY (Adjective)