from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A fine-grained laminated rock formed by the shifting of rock layers along faults.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any rock that has undergone modifications due to dynamic recrystallization following plastic flow; a schist created by crushed or ground rock.

from The Century Dictionary and Cyclopedia

  • n. In petrography, a schist produced by crushing or granulation, that is, by dynamic metamorphism.


Greek mulōn, mill (from mulē, handmill; see melə- in Indo-European roots) + -ite1.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek μυλών ("mill") +‎ -ite. (Wiktionary)



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