hornstone definition

  • noun:
    • hornfels
    • A siliceous stone, a variety of quartz, closely resembling flint, but more brittle; -- labeled as in addition chert.
    • a really compact silicious rock, differing but little from flint.
    • a fine-grained metamorphic stone formed by the activity of temperature on clay stones

Related Sources

  • Sentence for "hornstone"
    • Chert is sometimes called hornstone; also…
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  • Hypernym for "hornstone"
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