What is the meaning of hornstone?

noun

  • A fine-grained metamorphic rock formed by the action of heat on clay rocks.
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APAWordNet. (2010). hornstone. Retrieved September 20, 2026, from http://smartdefine.org/hornstone/definitions/1285613
ChicagoWordNet. 2010. "hornstone" http://smartdefine.org/hornstone/definitions/1285613 (accessed September 20, 2026).
HarvardWordNet 2010, hornstone, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/hornstone/definitions/1285613>.
MLAWordNet. "hornstone" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/hornstone/definitions/1285613>
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